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key

From Wiktionary, the free dictionary
See also:Keyandkēy

English

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A key (object designed to open and close a lock)
Anumeric keypad with 16 keys
The keys of a musical keyboard.
The key of a map.
A telegraph key

Pronunciation

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Etymology 1

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FromMiddle Englishkeye,kaye,keiȝe, fromOld Englishcǣġ(key, solution, experiment) (whence alsoScotskey andkay(key)), of uncertain origin.[1] The only sure cognates are Saterland FrisianKoai(key),West Frisiankaai(key), andNorth Frisiankay(key). Possibly fromProto-Germanic*kēgaz,*kēguz(stake, post, pole), fromProto-Indo-European*ǵogʰ-,*ǵegʰ-,*ǵegʰn-(branch, stake, bush), which would make it cognate withMiddle Low Germankāk(whipping post, pillory), and perhaps toMiddle Dutchkeige(javelin, spear) andMiddle Low Germankeie,keige(spear). For the semantic development, note that medieval keys were simply long poles (ending in a hook) with which a crossbar obstructing a door from the inside could be removed from the outside, by lifting it through a hole in the door. Liberman has noted, however, "The original meaning of *kaig-jo- was presumably '*pin with a twisted end.' Words with the root *kai- followed by a consonant meaning 'crooked, bent; twisted' are common only in the North Germanic languages."[2]

Noun

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key (pluralkeys)

  1. (countable) An object designed to open and close alock.
    • 1913,Joseph C[rosby] Lincoln, chapter XIII, inMr. Pratt’s Patients, New York, N.Y., London:D[aniel] Appleton and Company,→OCLC:
      We tiptoed into the house, up the stairs and along the hall into the room where the Professor had been spending so much of his time. 'Twas locked, of course, but the Deacon man got a big bunch ofkeys out of his pocket and commenced to putter with the lock.
  2. An object designed to fit between two other objects (such as ashaft and awheel) in a mechanism and maintain their relativeorientation.
  3. Acrucial step or requirement.
    Thekey to solving this problem is persistence.
    thekey to winning a game
  4. Asmallguideexplainingsymbols orterminology,especially thelegend on amap orchart.
    Thekey says thatA stands for the accounting department.
  5. A guide to the correct answers of aworksheet or test.
    Some students cheated by using the answerkey.
  6. (computing) One of several small, usually square buttons on a typewriter or computer keyboard, mostly corresponding totextcharacters.
    Press the Escapekey.
  7. (music)
    1. In musicalinstruments, one of thevalvelevers used to select notes, such as a lever opening ahole on awoodwind.
    2. In instruments with akeyboard such as anorgan orpiano, one of the levers, or especially the exposed front end of it, which are depressed to cause a particular sound or note to be produced.
  8. (music) A scale or group of pitches constituting the basis of a musical composition.
    thekey of B-flat major
    • 1881,R.L. Stevenson,Virginibus Puerisque:
      A girl, it is true, has always lived in a glass house among reproving relatives, whose word was law; she has been bred up to sacrifice her judgments and take thekey submissively from dear papa; and it is wonderful how swiftly she can change her tune into the husband's.
    1. The lowest note of a scale;keynote.
    2. In musical theory, the totalmelodic andharmonic relations, which exist between the tones of an idealscale, major or minor;tonality.
    3. In musical theory andnotation, the tonality centering in a given tone, or the several tones taken collectively, of a given scale, major or minor.
    4. In musical notation, a sign at the head of astaff indicating the musical key.
  9. (figurative) The general pitch or tone of a sentence or utterance.
    • 1613–1614 (date written),John Fletcher,William Shak[e]speare,The Two Noble Kinsmen: [], London: [] Tho[mas] Cotes, forIohn Waterson; [], published1634,→OCLC, Act I, scene i,page 1:
      2. Queen.[]Deere Glasse of Ladies
      Bid him that we whom flaming war doth scortch,
      Vnder the shaddow of his Sword, may coole us:
      Require him he advance it ore our heades;
      Speak't in a womanskey: like such a woman
      As any of us three; weepe ere you faile; lend us a knee;
      But touch the ground for us no longer time
      Then a Doves motion, when the head's pluckt off:
      Tell him if he i'th blood cizd field, lay swolne
      Showing the Sun his Teeth; grinning at the Moone
      What you would doe.
    • ?,William Cowper,Conversation
      You fall at once into a lowerkey.
  10. (advertising) A modification of an advertisement so as to target a particulargroup ordemographic.
    • 1998,Mail Order Success Secrets:
      Another popular way to key ads and mailings is to use a suite number, room number, department number, desk number, etc. as part of the ordering address. With a classified ad, using such akey may increase your ad cost.
  11. (botany) Anindehiscent, one-seededfruit furnished with awing, such as the fruit of theash andmaple; asamara.
  12. (historical) A manualelectricalswitching device primarily used for the transmission ofMorse code.
  13. (cryptography) A piece of information (e.g., apassword orpassphrase) used toencode ordecode a message or messages.
  14. (Internet) Apassword restricting access to anIRCchannel.
    • 2000, Robert Erdec, “Re: Help; mIRC32; unable to resolve server arnes.si”, inalt.irc.mirc (Usenet):
      if you know someone who is in the channel, you can query them and ask for thekey.
  15. (databases) In arelational database, afield used as anindex into anothertable (not necessarilyunique).
  16. (computing) A value that uniquely identifies an entry in acontainer.
  17. (basketball) The free-throw lane together with the circle surrounding the free-throw line, the free-throw lane having formerly been narrower, giving the area the shape of askeleton key hole.
    He shoots from the top of thekey.
  18. (biology) A series oflogicallyorganized groups ofdiscriminating information which aims to allow the user to correctlyidentify ataxon.
  19. (architecture) A piece of wood used as a wedge.
  20. (architecture) The last board of a floor when laid down.
  21. (masonry) Akeystone.
  22. That part of theplastering which is forced through between thelaths and holds the rest in place.
  23. (rail transport) A wooden wedge, driven sideways between abullhead rail and a cast-ironchair, to keep the rail securely in position.
  24. The degree ofroughness, orretention ability of a surface to have applied a liquid such as paint, or glue.
    The door panel should be sanded down carefully to provide a goodkey for the new paint.
  25. (cartomancy) The thirty-third card of theLenormand deck.
  26. (print and film) Theblackink layer, especially in relation to the three color layers of cyan, magenta, and yellow. See alsoCMYK.
  27. (computer graphics, television) Acolor to bemasked or madetransparent.
    • 2004, Mark Schmidt, Simon Robinson,Microsoft Visual C# .NET 2003 Developer's Cookbook, page195:
      You can easily create this type of user interface by creating a bitmap with certain portions set to a predefined color you want to use as the transparencykey.
    • 2016, Jerry C. Whitaker,The SBE Broadcast Engineering Handbook:
      There arekey controls that adjust the “slice level” or the level at which thekey kicks-in and starts cutting a hole for the “fill”[] Chroma key is another form of keying, which derives the key cutter or hole from a selected color.
Hyponyms
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Derived terms
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Related terms
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Translations
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device designed to open and close a lock
object used to maintain the orientation between two others
crucial step
small guide explaining symbols or terminology
guide to the correct answers of a worksheet or test
button on a typewriter or computer keyboard
part of a piano or musical keyboard
scale of musical notes
device used to transmit Morse code
cryptography: piece of information used to encode or decode
computing: field of a database constrained to be unique
computing: field in a record used as a search argument
computing: value uniquely identifying entry in associative array
in basketball
biology: information to correctly identify a taxonseeclavis
The translations below need to be checked and inserted above into the appropriate translation tables. See instructions atWiktionary:Entry layout § Translations.
Translations to be checked
See also
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Adjective

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key (not generallycomparable,comparativekeyerormorekey,superlativekeyestormostkey)

  1. Indispensable, supremelyimportant.
    He is thekey player on his soccer team.
    • 2007, Mark H. Moss,Shopping as an Entertainment Experience, page46:
      Lukas intimates that one of Disney'skey attractions was "Main Street USA,” which "mimicked a downtown business district just as Southdale" had done.
    • 2014 October 14, David Malcolm, “The Great War Re-Remembered: Allohistory and Allohistorical Fiction”, in Martin Löschnigg, Marzena Sokolowska-Paryz, editors,The Great War in Post-Memory Literature and Film[2],Walter de Gruyter GmbH & Co KG.,→ISBN, page173:
      The question of the plausibility of the counter-factual is seen askey in all three discussions of allohistorical fiction (as it is in Demandt's and Ferguson's examinations of allohistory) (cf. Rodiek 25–26; Ritter 15–16; Helbig 32).
    • 2017,BioWare,Mass Effect: Andromeda (Science Fiction), Redwood City: Electronic Arts,→OCLC, PC, scene: Disrupt Enemy Movements:
      The enemy is moving troops through akey area. Distrupt their activities to open some holes in their defenses.
  2. Important,salient.
    She makes severalkey points.
    • 2006,Edwin Black, chapter 2, inInternal Combustion[3]:
      Throughout the 1500s, the populace roiled over a constellation of grievances of which the forest emerged as akey focal point. The popular late Middle Ages fictional character Robin Hood, dressed in green to symbolize the forest, dodged fines for forest offenses and stole from the rich to give to the poor. But his appeal was painfully real and embodied the struggle over wood.
    • 2011 September 29, Jon Smith, “Tottenham 3 - 1 Shamrock Rovers”, inBBC Sport[4]:
      With the north London derby to come at the weekend, Spurs boss Harry Redknapp opted to rest many of hiskey players, although he brought back Aaron Lennon after a month out through injury.
Translations
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indispensable
important

Verb

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key (third-person singular simple presentkeys,present participlekeying,simple past and past participlekeyed)

  1. To fit(a lock) with a key.
  2. To fit(pieces of a mechanical assembly) with a key to maintain the orientation between them.
  3. Tomark orindicate with asymbol indicatingmembership in aclass.
    • 1996 January,Garden Dsign Ideas, second printing,Taunton Press,→ISBN, page25:
      So I worked on a tissue-paper copy of the perimeter plan, outlining groupings of plants of the same species andkeying them with letters for the species.
    • 2001, Bruce M. Metzger,The Bible in Translation,→ISBN, page87:
      The volume closes with thirty pages of "Notes, critical and explanatory," in which Thomson provides seventy-six longer or shorter noteskeyed to specific sections of the synopsis.
    • 2002, Karen Bromley,Stretching Students' Vocabulary,→ISBN, page12:
      Talk about similarities between the words and write them below to the left of the anchor,keying them with a plus sign (+). Talk about the characteristics that set the words apart and list them below the box to the right,keying them with a tilde sign (~).
    • 2007, Stephen Blake Mettee, Michelle Doland, and Doris Hall, compilers,The American Directory of Writer's Guidelines, 6th ("2007–2008") edition,→ISBN, page 757,
      Indicate the comparative value of each heading bykeying it with a number in pencil, in the left margin, as follows: []
  4. (telegraphy andradio telegraphy) To depress (a telegraph key).
  5. (radio) To operate (the transmitter switch of a two-way radio).
  6. (computing) (more usuallyto key in) Toenter (information) by typing on akeyboard orkeypad.
    Our instructor told us tokey in our user IDs.
  7. (colloquial) Tovandalize (a car, etc.) byscratching with an implement such as a key.
    Hekeyed the car that had taken his parking spot.
  8. Tolink (as one might do with a key orlegend).
    • 1960, Richard L. Masland, “Classification of the Epilepsies”, inEpilepsia, volume 1, page516:
      The American Heart Association has prepared their own guide to classification and,keying it with theStandard Nomenclature of Diseases, have done much to encourage a concise yet complete diagnosis.
    • 1976, Nicholas Askounes Ashford,Crisis in the Workplace: Occupational Disease and Injury[5], page19:
      The workman's compensation system rests on incentives (premium payments) that arekeyed to the immediate and relatively undeniable nature ofinjuries;[]
    • 2006, Deborah Blum, Mary Knudson, Robin Marantz Henig,A Field Guide for Science Writers: The Official Guide of the National Association of Science Writers[6], page63:
      It also features special issues on "Live Longer, Better, Wiser," men's health, women's health, and issueskeyed to important "disease weeks."
  9. (intransitive, biology, chiefly taxonomy) To beidentified as a certaintaxon when using a key.
  10. (advertising, transitive) To modify (an advertisement) so as to target a particulargroup ordemographic.
    • 1936, John Freeman Pyle,Marketing Principles, Organization and Policies, page711:
      Keying advertisements and counting the number of inquiries received or the number of coupons returned to indicate the "pulling power" of a particular piece of copy or the coverage of a particular advertising medium.
    • 1998,Mail Order Success Secrets:
      Another popular way tokey ads and mailings is to use a suite number, room number, department number, desk number, etc. as part of the ordering address. With a classified ad, using such a key may increase your ad cost. Why? Because you're using an extra word or two tokey the ad.
  11. Toattune to; to set at; topitch.
    • 1930, Norman Lindsay,Redheap, Sydney, N.S.W.:Ure Smith, published1965,→OCLC, page23:
      To Ethel alone she addressed a stray remark,keyed below the sound of other voices.
  12. To fasten or secure firmly; to fasten or tighten with keys or wedges.
    • 1744, Roger North,The Life of the Honourable Sir Dudley North:
      they Mouldered andkeyed the Portico Arches with Pieces of Stone, because Brick was not strong enough
  13. To prepare forplastering by adding the key(that part of the plastering which is forced through between the laths and holds the rest in place).
  14. To provide an arch with akeystone.
    • 1950 September, “Centenary of the Royal Border Bridge”, inRailway Magazine, page637:
      The last arch in the permanant[sic] bridge waskeyed on March 26, 1850, and a single track was brought into use for goods trains on July 20.
  15. Clipping ofchromakey.
    • 2021 September 11, Anina Ot, “What Is a Green Screen and How Does It Work?”, inMakeUseOf[7]:
      Afterkeying the background, you’d be left with a transparent background, where you can install anything—from images to videos that blend seamlessly into the main subject of the shot.
Derived terms
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Translations
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fit (a lock) with a key
fit (pieces of a mechanical assembly) with a key
telegraphy: depress (a telegraph key)
radio: operate (transmitter switch of a two-way radio)
computing: enter (information)
vandalize (a car, etc.) by scratching with an implement such as a key

References

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  1. ^Archived copy”, in(Please provide the book title or journal name)[1], 2018 March 19 (last accessed), archived fromthe original on25 May 2019
  2. ^Douglas Harper (2001–2025) “key”, inOnline Etymology Dictionary.

Etymology 2

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Variant ofcay, fromSpanishcayo, fromTaínocayo(small island)

Alternative forms

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Noun

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key (pluralkeys)

  1. One of a string of smallislands.
Derived terms
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Translations
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small island

Etymology 3

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Clipping ofkilogram orkilo.

Noun

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key (pluralkeys)

  1. (slang) Akilogram, especially of a recreationaldrug.
    Synonym:kay
    • 2010, David J. Silas,Da Block, page41:
      So starting with tenkeys of cocaine and twokeys of heroin, Derrick put his plan in motion. Soon every major drug dealer and gang chief from Chicago Avenue to Evanston was in his pocket.
Alternative forms
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Etymology 4

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Noun

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key (pluralkeys)

  1. Alternative form ofquay

References

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Anagrams

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Central Kurdish

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Adverb

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key

  1. when

Chinese

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Etymology

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Probably fromEnglishchromakey.

Pronunciation

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Verb

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key

  1. (Hong Kong Cantonese, slightly dated) tosuperimpose (an image, typically that of a person) onto anotherimage
    今日班相唯有之後key大頭落去[Cantonese,trad.]
    今日班相唯有之后key大头落去[Cantonese,simp.]
    gam1 jat6 keoi5 mou5 lai4 jing2 baan1 soeng6-2, wai4 jau5 zi1 hau6ki1 faan1 keoi5 go3 daai6 tau4-2 lok6 heoi3 zoeng1 soeng6-2 dou6 laa1.[Jyutping]
    He did not came today for the class photo taking. The only way [to solve this] is tophotoshop his face back onto the class photo.

Usage notes

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Often considered to be a synonym ofP(to photoshop).

Derived terms

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See also

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Hawaiian Creole

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Etymology

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Derived fromEnglishkey.

Verb

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key

  1. (countable)key(an object designed to open and close alock)
    • 2000, “Luke 11”, in Joseph Grimes, transl.,Da Jesus Book: Hawaii Pidgin New Testament[8], Wycliffe Bible Translators,→ISBN,page200:
      “Auwe, you teachas dat teach God’s Rules! You guys goin get it! You guys donno wat God say, an you no let da peopo dat like know wat he say find out. Jalike you guys wen take away dakey fo open da door so peopo can know wat God stay say.”
      “A curse is on you, teachers of the law! for you have taken away thekey of knowledge: you did not go in yourselves, and you got in the way of those who were going in.”

Manx

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Etymology 1

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From a respelling ofkay, fromMiddle Irishceó(mist, milk, cream), fromOld Irishcéo(mist, fog).

Noun

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key m (genitive singular[please provide],plural[please provide])

  1. cream
Derived terms
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Etymology 2

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FromEnglishquay.

Noun

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key m (genitive singularkeyee)

  1. (nautical)quay

Mutation

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Mutation ofkey
radicallenitioneclipsis
keycheygey

Note: Certain mutated forms of some words can never occur in standard Manx.
All possible mutated forms are displayed for convenience.

Middle English

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Noun

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key

  1. Alternative form ofkeye(key)

Swedish

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Etymology

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Likelyborrowed fromEnglishkey.

Noun

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key c (genitivekeys,pluralkeys,plural genitivekeys)

  1. (slang) ahundredgrams ofcocaine

See also

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References

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Tagalog

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Etymology

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Borrowed fromEnglishkay, the English name of the letterK/k.

Pronunciation

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Noun

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key (Baybayin spellingᜃᜒᜌ᜔)

  1. the name of theLatin-script letterK/k, in theFilipino alphabet
    Synonym:(in the Abakada alphabet and Abecedario)ka

See also

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Further reading

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  • key”, inPambansang Diksiyonaryo | Diksiyonaryo.ph, Manila,2018
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