theca
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Strawberry anther with parallel thecae 
Theca (1) of a dinoflagellate
English
Etymology
From New Latin, from Latin thēca, from Ancient Greek θήκη (thḗkē, “a case, box, receptacle”), from τίθημι (títhēmi, “put, set, place”). Doublet of tay.
Pronunciation
Noun
theca (plural thecas or thecae)
- (biology) Any external case or sheath.
- (botany) The pollen-producing organ usually found in pairs and forming an anther.
- (medicine) The twin layers of cells surrounding the basal lamina of an ovarian follicle.
- (microbiology, planktology) The membrane complex enveloping the cells of certain plankton including diatoms and dinoflagellates.
- (marine biology) The calcareous wall of a corallite, the exoskeleton of a coral polyp.
- (Christianity) A case for the corporal cloth used in the Eucharist.
Derived terms
Related terms
Further reading
- “theca”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
- “theca”, in The Century Dictionary , New York, N.Y.: The Century Co., 1911, →OCLC.
- “theca”, in OneLook Dictionary Search.
Anagrams
Kikuyu
Alternative forms
Pronunciation
Verb
theca (infinitive gũtheca)
Related terms
(Nouns)
- mũthece class 3
References
- ^ Armstrong, Lilias E. (1940). The Phonetic and Tonal Structure of Kikuyu, p. 360. Rep. 1967. (Also in 2018 by Routledge).
Latin
Etymology
Borrowed from Ancient Greek θήκη (thḗkē, “a case, box, receptacle”), from τίθημι (títhēmi, “put, set, place”).
Pronunciation
Noun
thēca f (genitive thēcae); first declension
Declension
First-declension noun.
| Case | Singular | Plural |
|---|---|---|
| Nominative | thēca | thēcae |
| Genitive | thēcae | thēcārum |
| Dative | thēcae | thēcīs |
| Accusative | thēcam | thēcās |
| Ablative | thēcā | thēcīs |
| Vocative | thēca | thēcae |
Descendants
- Balkan Romance:
- North Italian:
- Italo-Romance:
- Gallo-Romance:
- Insular Romance:
- Borrowings:
- → English: theca
- → Middle Dutch: teke
- → Old Irish: tiach
- Irish: tiach
- → French: thèque, -thèque
- → Hungarian: téka, -téka
- → Italian: teca
- → Polish: -teka
- → Old Occitan: teca
- Occitan: teca
- → Spanish: teca, tecla
- → Walloon: tîke
- → Old Welsh: tuic
- → Proto-West Germanic: *tēkā (see there for further descendants)
See also
References
- “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.
- “theca”, in The Century Dictionary , New York, N.Y.: The Century Co., 1911, →OCLC.