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n. pl. mol·lus·ca (-kə)
Any of various skin diseases in which soft spherical tumors form on the face or the body.
[Latin, a kind of fungus, from neuter of molluscus, soft; see mollusk.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
the molluscs considered collectively
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||Mollusca - gastropods; bivalves; cephalopods; chitons|
animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals
mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell
class Scaphopoda, Scaphopoda - small class of bilaterally symmetrical marine forms comprising the tooth shells
class Polyplacophora, Polyplacophora - small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura
Bivalvia, class Bivalvia, class Lamellibranchia, class Pelecypoda, Lamellibranchia - oysters; clams; scallops; mussels
phylum - (biology) the major taxonomic group of animals and plants; contains classes
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