the·ca (th  k )n. pl. the·cae (-s  , -k) A case, covering, or sheath, such as the pollen sac of an anther, the spore case of a moss, or the outer covering of the pupa of certain insects. [Latin th ca, case, receptacle, from Greek thk; see dh- in Indo-European roots.]the cal (-kl) adj. |
theca [ˈθiːkə]
n pl -cae [-siː]
1. (Life Sciences & Allied Applications / Botany) Botany an enclosing organ, cell, or spore case, esp the capsule of a moss
2. (Life Sciences & Allied Applications / Zoology) Zoology a hard outer covering, such as the cup-shaped container of a coral polyp
[from Latin thēca, from Greek thēkē case; related to Greek tithenai to place]
thecal , thecate adj
| theca (thk) Plural thecae (th s, -k) A case, covering, or sheath, such as the pollen sac of an anther, the spore case of a moss, or the outer covering of the pupa of certain insects. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | theca - a case or sheath especially a pollen sac or moss capsule covering, natural covering, cover - a natural object that covers or envelops; "under a covering of dust"; "the fox was flushed from its cover" |
| 2. | theca - outer sheath of the pupa of certain insects |
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