sea slug

/si sləg/

Other forms: sea slugs

Definitions of sea slug
  1. noun
    any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body
    synonyms: nudibranch
    see moresee less
    types:
    Hermissenda crassicornis
    a kind of sea slug
    type of:
    gastropod, univalve
    a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes
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