Definition of Theca in English :

Define Theca in English

Theca meaning in English

Meaning of Theca in English

Pronunciation of Theca in English

Theca pronunciation in English

Pronounce Theca in English


see synonyms of theca


1. sac, theca

a case or sheath especially a pollen sac or moss capsule

2. theca

outer sheath of the pupa of certain insects

WordNet Lexical Database for English. Princeton University. 2010.


see synonyms of theca
noun plural -cae (-siː)
1. botany
an enclosing organ, cell, or spore case, esp the capsule of a moss
2. zoology
a hard outer covering, such as the cup-shaped container of a coral polyp

Collins English Dictionary. Copyright © HarperCollins Publishers


see synonyms of theca
nounWord forms: plural ˈthecae (ˈθisi ; t hēˈsē)
1.  Botany
a spore case, sac, or capsule
2.  Zoology and Anatomy
any sheath or sac enclosing an organ or a whole organism, as the covering of an insect pupa

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


see synonyms of theca
n. pl. the·cae (-sē, -kē)
A case, covering, or sheath, such as the covering of the pollen sacs of an anther or the thick cell wall of certain dinoflagellates.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.