mollusk
n.
5Fr mollusque < ModL Mollusca, coined by CUVIER < L mollusca, a soft-shelled nut < molluscus, soft < mollis: see MOLLIFY6 any of a large phylum (Mollusca) of invertebrate animals, including the chitons, gastropods, cephalopods, scaphopods, and bivalves characterized by a soft, unsegmented body, typically enclosed wholly or in part in a mantle and a calcareous shell, and usually having gills and a foot
mol[lus[kan 7m! lus4k!n8
adj., n.