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also mol·lusc  (mŏl′əsk)
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.

[French mollusque, from New Latin Mollusca, phylum name, from neuter pl. of Latin molluscus, thin-shelled, from mollis, soft; see mel- in Indo-European roots.]

mol·lus′cous (mə-lŭs′kəs) adj.


1. (Medicine) med relating to or having a similarity to a molluscum or swollen protuberance on the skin
2. (Zoology) another word for molluscan
References in classic literature ?
6] The large claws or pincers of some of these crabs are most beautifully adapted, when drawn back, to form an operculum to the shell, nearly as perfect as the proper one originally belonging to the molluscous animal.
He was the author of many books on shells, most notably the 20-volume Conchologia Iconica, or, Illustrations of the Shells of Molluscous Animals" published in 1843.
Conchologia iconica, or illustrations of the shells of molluscous animals.