Gastrochaena

noun
Gas·​tro·​chae·​na

Definition of Gastrochaena

: a genus of bivalve mollusks (order Eulamellibranchia) that bore in coral, soft rock, or hardened mud and have long siphons and a widely gaping shell

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!

History and Etymology for Gastrochaena

New Latin, from gastr- + -chaena (from Greek chainein to yawn, gape)

Keep scrolling for more

Learn More About Gastrochaena

Statistics for Gastrochaena

Cite this Entry

“Gastrochaena.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Gastrochaena. Accessed 19 Jun. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Return of Name that Color!

  • a light greenish blue color
  • Name that color:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

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!