theca

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English[edit]

Strawberry anther with parallel thecae

Etymology[edit]

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

Noun[edit]

theca (plural thecas or thecae)

  1. (biology) Any external case or sheath.
  2. (botany) The pollen-producing organ usually found in pairs and forming an anther.
  3. (medicine) The twin layers of cells surrounding the basal lamina of an ovarian follicle.
  4. (microbiology, planktology) The membrane complex enveloping the cells of certain plankton including diatoms and dinoflagellates.
  5. (marine biology) The calcareous wall of a corallite, the exoskeleton of a coral polyp.
  6. (Christianity) A case for the corporal cloth used in the Eucharist.
Theca (1) of a dinoflagellate

Derived terms[edit]

Related terms[edit]

Further reading[edit]

Anagrams[edit]


Kikuyu[edit]

Alternative forms[edit]

Pronunciation[edit]

Verb[edit]

theca (infinitive gũtheca)

  1. to pierce, to stab[1]

Related terms[edit]

(Nouns)

References[edit]

  1. ^ Armstrong, Lilias E. (1940). The Phonetic and Tonal Structure of Kikuyu, p. 360. Rep. 1967. (Also in 2018 by Routledge).

Latin[edit]

Etymology[edit]

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

Pronunciation[edit]

Noun[edit]

thēca f (genitive thēcae); first declension

  1. a case, envelope, sheath

Declension[edit]

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[edit]

  • Aromanian: teacã
  • French: taie, thèque
  • Irish: tiach
  • Italian: tega, teca
  • Romanian: teacă
  • Spanish: tecla

See also[edit]

References[edit]

  • 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.