nu·di·branch /ˈnudəˌbræŋk, ˈnju-/
Nu·di·branch a. Zool. Of or pertaining to the Nudibranchiata. -- n. One of the Nudibranchiata.
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nudibranch
n : any of various marine gastropods of the suborder
Nudibranchia having a shell-less and often beautifully
colored body [syn: sea slug]