Meaning of mollusk

mol•lusk

Pronunciation: (mol'usk), [key]
— n.
  1. any invertebrate of the phylum Mollusca, typically having a calcareous shell of one, two, or more pieces that wholly or partly enclose the soft, unsegmented body, including the chitons, snails, bivalves, squids, and octopuses.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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