mollusk
mollusk definition
mol·lusk (mäl′əsk)
noun
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
Etymology: Fr mollusque < ModL Mollusca, coined by Baron Georges (Léopold Chrétien Frédéric Dagobert) Cuvier < L mollusca, a soft-shelled nut < molluscus, soft < mollis: see mollify
Related Forms:
- molluskan mol·lus′·kan (mə lus′kən) adjective, noun
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