Definition of mollusc in English:

mollusc

Line breaks: mol|lusc
Pronunciation: /ˈmɒləsk
 
/
(US mollusk)

noun

An invertebrate of a large phylum which includes snails, slugs, mussels, and octopuses. They have a soft unsegmented body and live in aquatic or damp habitats, and most kinds have an external calcareous shell.
  • Phylum Mollusca: several classes, in particular Gastropoda, Bivalvia, and Cephalopoda
More example sentences
  • As gardeners already know, all other slugs and snails (or gastropod mollusks, to the experts) sport a soft and slimy foot.
  • The beach sands are dominated by shells of bivalve mollusks, mainly venerids, gastropods, and echinoderms.
  • Small fish and a variety of other aquatic creatures, including mollusks and crustaceans, make up the Pigeon Guillemot's diet.

Origin

late 18th century: from modern Latin mollusca, neuter plural of Latin molluscus, from mollis 'soft'.

Derivatives

molluscan

Pronunciation: /məˈlʌskən/
adjective
More example sentences
  • The adaptations of gastropods for drilling molluscan prey also increased during the Mesozoic and Cenozoic.
  • Four new molluscan species, a bivalve and three gastropods, are named from shallow-marine, lower Upper Cretaceous strata in Oregon.
  • Despite their antiquity, living terebratulids are advanced organisms, able to out-perform molluscan bivalves in filter feeding efficiency under certain conditions.

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