: 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

Word History


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

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Dictionary Entries Near Gastrochaena

Cite this Entry

“Gastrochaena.” Dictionary, Merriam-Webster, Accessed 20 Apr. 2024.

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