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nu′di·bran′chi·ate (-brăng′kē-ĭt) adj. & n.
(Animals) any marine gastropod of the order Nudibranchia, characterized by a shell-less, often beautifully coloured, body bearing external gills and other appendages. Also called: sea slug
[C19: from nudi- + branche, from Latin branchia gills]
nu•di•branch(ˈnu dəˌbræŋk, ˈnyu-)
any shell-less marine gastropod mollusk of the suborder Nudibranchia, having external, often branched respiratory appendages.
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|Noun||1.||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
Nudibranchia, order Nudibranchia - comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug
Hermissenda crassicornis - a kind of sea slug