Found 2 items, similar to mollusk.
English → English (WordNet) Definition: mollusk mollusk n : invertebrate having a soft unsegmented body usually enclosed in a shell [syn: mollusc, shellfish]
English → English (gcide) Definition: Mollusk Mollusk \Mol"lusk\, n. [F. mollusque, L. mollusca a kind of soft nut with a thin shell, fr. molluscus soft, mollis soft. See Mollify.] (Zo["o]l.) One of the Mollusca. [Written also mollusc.] [1913 Webster]