What does "spoutfish" mean?

Any of a number of marine animals that spout water; especially certain bivalve mollusks that squirt out water when retiring into their holes, for example, the thick shelled river mussel (Unio crassus).

Spoutfish

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Any of a number of marine animals that spout water; especially certain bivalve mollusks that squirt out water when retiring into their holes, for example, the thick shelled river mussel (Unio crassus).

Etymology

From spout + fish.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.