theca
noun pl. thecae
- Bot. a spore case, sac, or capsule
- Zool., Anat. any sheath or sac enclosing an organ or a whole organism, as the covering of an insect pupa
See theca in American Heritage Dictionary 4
(thēˈkə)
noun pl. the·cae (-sēˌ, -kēˌ) 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.
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