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sea slug

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WordReference Random House Unabridged Dictionary of American English © 2025

sea′ slug′,

Invertebratesa nudibranch.

1770–80

Collins Concise English Dictionary © HarperCollins Publishers::

sea slug

any of various shell-less marine gastropod molluscs, esp those of the order Nudibranchia
See nudibranch

'sea slug' also found in these entries (note: many are not synonyms or translations):

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the gods gave a sea slug

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