noun, plural the·cae [thee-see]. /ˈθi si/.
- a sac, cell, or capsule.
- a sporangium.
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Origin of theca
OTHER WORDS FROM thecathecal, adjective
Words nearby theca
Example sentences from the Web for theca
From its sides behind proceed the antenn-cases (Cera-theca); and before from the middle, the tongue-case (Glosso-theca).An Introduction to Entomology: Vol. III (of 4)|William Kirby
A chronic inflammatory involvement of a theca through which an important tendon plays may cause adhesions to form.
In addition to aspirating synovia, the introduction of equal parts of alcohol and tincture of iodin into the theca is necessary.
The body is often provided with not-living external formations “stalk” and “theca” (or “lorica”).
The word theca signified in classical Latin a case or receptacle in which any object was kept.The Care of Books|John Willis Clark