theca

noun
the·​ca | \ ˈthē-kə How to pronounce theca (audio) \
plural thecae\ ˈthē-​ˌsē How to pronounce thecae (audio) , -​ˌkē \

Definition of theca

: an enveloping sheath or case of an animal or animal part

Other Words from theca

thecal \ ˈthē-​kəl How to pronounce thecal (audio) \ adjective

First Known Use of theca

circa 1666, in the meaning defined above

History and Etymology for theca

New Latin, from Greek thēkē case — more at tick entry 4

Keep scrolling for more

Learn More about theca

Time Traveler for theca

Time Traveler

The first known use of theca was circa 1666

See more words from the same year

Statistics for theca

Cite this Entry

“Theca.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theca. Accessed 28 Feb. 2020.

Keep scrolling for more

More Definitions for theca

theca

noun
the·​ca | \ ˈthē-kə How to pronounce theca (audio) \
plural thecae\ ˈthē-​ˌsē How to pronounce thecae (audio) , -​ˌkē How to pronounce thecae (audio) \

Medical Definition of theca

: an enveloping case or sheath (as the theca folliculi) of an anatomical part

More from Merriam-Webster on theca

Britannica.com: Encyclopedia article about theca

Comments on theca

What made you want to look up theca? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!