nudibranch

Other forms: nudibranchs

Definitions of nudibranch

1. noun

   any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body
   synonyms: sea slug

   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