FromMiddle Englishgrinder,grindere, fromOld Englishgrindere(“one or that which grinds; grinder”), equivalent togrind +‎-er.

Thisetymology is incomplete. You can help Wiktionary by elaborating on the origins of this term. where did sandwich sense come from

• (Received Pronunciation)IPA^(key):/ˈɡɹaɪndə/
• (General American)IPA^(key):/ˈɡɹaɪndəɹ/

• Audio(General American):

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• Audio(General Australian):

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• Rhymes:-aɪndə(ɹ)
• Hyphenation:grind‧er

grinder (pluralgrinders)

1. One whogrinds something, such as the teeth.

   scissors grinder

   (one who sharpensscissors)

   • 2010, A. J. Larner,A Dictionary of Neurological Signs, page68:

     Masseter hypertrophy may become apparent in persistentgrinders.

2. (anatomy) Amolar.
3. (slang) Anytooth.
5. Any of various machines or devices thatgrind things, such as bygrinding them down orgrinding them up.
   2. Any of variouspower tools with a spinningabrasive disc, used for smoothing, shaping, ordeburring materials, usuallymetal.

      Hyponyms:angle grinder,bench grinder,die grinder

   4. Agrinding machine: any of variousmachine tools for grinding (either heavy or light grinding, but precise either way).
   6. Any of various pieces ofheavy equipment for grinding.

      Hyponym:stump grinder

6. (Northern US, especiallyConnecticut,Vermont) Asubmarine sandwich, asandwich made on a long, cylindrical roll.

   I am going to the deli to get agrinder for lunch.

   • 1996, Michael Craig Budden,Protecting Trade Secrets under the Uniform Trade Secrets Act, Westport, Conn.:Quorum Books,→ISBN, page20:

     It was reported that the recipes for the secret sauce andgrinder sandwiches were proprietary, known only to the current president of the corporation and the former owner of the restaurant.

   1. (Pennsylvania) In particular, a submarine sandwich (hoagie) that is toasted or baked and typically does not contain lettuce.
7. Akitchen gadget for processing coffee, herbs etc. into small or powdered pieces.
8. Therestless flycatcher (Myiagra inquieta) ofAustralia, which makes a noise like a scissors grinder.
9. (music,slang) Afan orperformer ofgrindcoremusic.
10. (slang) Abiohacker who usescyberneticimplants orbiochemicals to enhance or change their own body.
    • 2017,Jamie Bartlett, chapter 1, inRadicals:

      Rich Lee – one of the organisers of Grindfest, and the Transhumanist Party’s ‘bio-hacking adviser’ – estimates that there are around 3,000grinders in the US, and many more bio-hackers.

11. (slang,dated) Astudent who studies hard; aswot.
12. (slang,dated) A person whocoaches students for an upcomingexamination.
13. (ice hockey,slang) A hard-working, physical player with limited offensive ability.
14. (lawyerslang) A low-rankingattorney with no clients who works very hard.
15. (US,military,slang) An outdoor space fordrills andparades.
    • 2019, Chas Romeo,U.S.M.C.:

      We were told then and there that we wouldn't be allowed on thegrinder again until we could do a lot better. The grinder is what that large area was called, and it was a fitting name. They literally ground us down on it.

    • 2013,USMC Tactical Combat Casualty Care (TCCC / TC3) Guidelines:

      Company formations are held on thegrinder (basketball court outside the Quarterdeck).

16. (radio,informal)Atmosphericinterference producing aroaringbackgroundnoise.

• The type of sandwich denoted bygrinder varies widely. In thePhiladelphia area, for example, a grinder is distinguished from ahoagie in that the grinder is toasted or baked, and usually lacks lettuce.

• (sandwich):sub

• (a tooth; one who coaches students):1873, John Camden Hotten,The Slang Dictionary

• Girdner,derring,red ring,regrind

grinder m orf

1. indefiniteplural ofgrind

grinder f

1. indefiniteplural ofgrind