Merriam-Webster Logo
SINCE 1828
dictionary thesaurus view recents

Thecosomata

plural noun
Save Word
The·​co·​so·​ma·​ta | \ ˌthēkəˈsōmətə \

Definition of Thecosomata

in some classifications
: a division of Pteropoda comprising pteropods with a shell — compare gymnosomata

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other Words from Thecosomata

thecosomatous \ -​təs \ adjective

History and Etymology for Thecosomata

New Latin, from thec- + -somata

Keep scrolling for more

Learn More about Thecosomata

Statistics for Thecosomata

Cite this Entry

“Thecosomata.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Thecosomata. Accessed 22 Sep. 2020.

Comments on Thecosomata

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

Show Comments  Hide Comments 

WORD OF THE DAY

operose

Listen to the pronunciation of operose

See Definitions and Examples »

Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

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!

Words at Play
Ask the Editors
Word Games