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
Origin of molluskFrench mollusque ; from Modern Latin Mollusca, coined by Baron Georges (Léopold Chrétien Frédéric Dagobert) Cuvier ; from Classical Latin mollusca, a soft-shelled nut ; from molluscus, soft ; from mollis: see mollify
Any of numerous chiefly marine invertebrates of the phylum Mollusca, typically having a soft unsegmented body, a mantle, and a protective calcareous shell, and including the snails, clams, and squids.
Origin of molluskFrench mollusque, from New Latin Mollusca, phylum name, from neuter pl. of Latin molluscus, thin-shelled, from mollis, soft; see mel-1 in Indo-European roots.
- (US) Alternative spelling of mollusc.