Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun nudibranch

1 sense of nudibranch

Sense 1
sea slug, nudibranch -- (any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body)
       => gastropod, univalve -- (a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes)