MOLLUSC
- an animal belonging to the large phylum of invertebrates, also MOLLUSK [n -S]
- any of a large phylum (Mollusca) of invertebrate animals (as snails, clams, or squids) with a soft unsegmented body usually enclosed in a calcareous shell
- mollusk (any of a phylum of soft-bodied invertebrates) [n MOLLUSCS]