testaceous

adjective
tes·​ta·​ceous | \ te-ˈstā-shəs How to pronounce testaceous (audio) \

Definition of testaceous

1 : having a shell a testaceous protozoan
2 : of any of the several light colors of bricks

First Known Use of testaceous

1646, in the meaning defined at sense 1

History and Etymology for testaceous

Latin testaceus, from testa shell, earthen pot, brick

Keep scrolling for more

Learn More about testaceous

Time Traveler for testaceous

Time Traveler

The first known use of testaceous was in 1646

See more words from the same year

Statistics for testaceous

Cite this Entry

“Testaceous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/testaceous. Accessed 12 Jul. 2020.

More from Merriam-Webster on testaceous

Rhyming Dictionary: Words that rhyme with testaceous

Comments on testaceous

What made you want to look up testaceous? 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

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
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!