theca

From New Latin, from Latin thēca, from Ancient Greek θήκη (thḗkē, “a case, box, receptacle”), from τίθημι (títhēmi, “put, set, place”). Doublet of tay.

• IPA^(key): /ˈθiːkə/

• Audio (Southern England):

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theca (plural thecas or thecae)

2. (biology) Any of several external cases or sheaths.
   2. (biology, botany) The pollen-producing organ usually found in pairs and forming an anther.
   4. (biology, medicine) The theca folliculi: the twin layers of cells surrounding the basal lamina of an ovarian follicle.
   6. (biology, medicine) The thecal sac: the portion of the dura mater that surrounds the spinal cord and the cauda equina.
   8. (biology, microbiology, planktology) The membrane complex enveloping the cells of certain plankton including diatoms and dinoflagellates.
   10. (biology, marine biology) The calcareous wall of a corallite, the exoskeleton of a coral polyp.
   12. (biology, microbiology, mycology) A sporangium: a spore case.
4. (Christianity) A case for the corporal cloth used in the Eucharist.

• “theca”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “theca”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “theca”, in OneLook Dictionary Search.

• 'tache, Tache, Taché, Teach, Tâche, chate, cheat, he-cat, tache, teach

• theeca

• IPA^(key): /ðɛːɕa/

theca (infinitive gũtheca)

1. to pierce, to stab^[1]

(Nouns)

• mũthece class 3

Borrowed from Ancient Greek θήκη (thḗkē, “a case, box, receptacle”), from τίθημι (títhēmi, “put, set, place”).

• (Classical Latin) IPA^(key): [ˈtʰeː.ka]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈt̪ɛː.ka]

thēca f (genitive thēcae); first declension

1. a case, envelope, sheath

First-declension noun.

• bibliothēca
• hypothēca

• “theca”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “theca”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• "theca", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• theca in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “theca”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.