gastrotrich

noun
gas·​tro·​trich | \ ˈga-strə-ˌtrik How to pronounce gastrotrich (audio) \

Definition of gastrotrich

: any of a phylum (Gastrotricha) of minute aquatic pseudocoelomate animals that usually have a spiny or scaly cuticle and cilia on the ventral surface

First Known Use of gastrotrich

1940, in the meaning defined above

History and Etymology for gastrotrich

ultimately from Greek gastr- + trich-, thrix hair — more at trich-

Keep scrolling for more

Learn More about gastrotrich

Statistics for gastrotrich

Look-up Popularity

Time Traveler for gastrotrich

The first known use of gastrotrich was in 1940

See more words from the same year

More from Merriam-Webster on gastrotrich

Britannica.com: Encyclopedia article about gastrotrich

Comments on gastrotrich

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

WORD OF THE DAY

incapable of being surmounted or overcome

Get Word of the Day daily email!

Test Your Vocabulary

Finance Words Quiz

  • a-piggy-bank
  • The etymology of mortgage is related most closely to which two words?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

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!