FromLatinancilla(“maid, slave-girl”).

• IPA^(key):/ænˈsɪ.lə/
• Rhymes:-ɪlə

ancilla (pluralancillae)

1. (rare) Amaid.
   • 1969, Vladimir Nabokov,Ada or Ardor, Penguin, published2011, page306:

     ‘And pass me that towel,’ added Ada, but theancilla was picking up coins she had dropped in her haste[…]

2. Anauxiliary oraccessory
   • 2009 January 23, Ryo Okamotoet al., “An Entanglement Filter”, inScience‎^[1], volume323, number5913,→DOI:

     The filter achieves this two-qubit filtering effect by using twoancilla photons as probes that detect whether or not the two input photons are in the desired states.

3. (computing) Anancilla bit

   The circuit uses a singleancilla for each stabilizer generator.

• ancillary

• aclinal

Fromancula(“maid”) +‎-lus (diminutive form).

• (Classical Latin)IPA^(key):/anˈkil.la/,[äŋˈkɪlːʲä]
• (modern Italianate Ecclesiastical)IPA^(key):/anˈt͡ʃil.la/,[än̠ʲˈt͡ʃilːä]

ancilla f (genitiveancillae);first declension

1. maid, slave-girl
2. handmaiden
   • 8CE,Ovid,Fasti6.551:

     cūr vetetancillās accēdere, quaeritis?

     Why does she forbidslave-girls to approach, you ask?

   • 405CE,Jerome,VulgateLucas.1.38:

     Dīxit autem Maria : Ecceancilla Dominī : fīat mihi secundum verbum tuum.

     And Mary said, Behold thehandmaiden of the Lord. Let it be to me according to your word.

First-declension noun.

• ancillātus
• ancula

• Italian:ancella
• → English:ancilla

• “ancilla”, inCharlton T. Lewis and Charles Short (1879)A Latin Dictionary, Oxford: Clarendon Press
• “ancilla”, inCharlton T. Lewis (1891)An Elementary Latin Dictionary, New York: Harper & Brothers
• "ancilla", in Charles du Fresne du Cange’sGlossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• ancilla inGaffiot, Félix (1934)Dictionnaire illustré latin-français, Hachette.
• “ancilla”, inHarry Thurston Peck, editor (1898),Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers
• “ancilla”, inWilliam Smith et al., editor (1890),A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin