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Definition of mollusk

mollusk

/ˈmɑː.ləsk/
(UK: mollusc)
mol · lusk
Plural:mollusks
•
Adjective:molluscan
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mollusk Lexical Profile

mollusk Game Scores & Validity

• noun

1

American An invertebrate animal of the phylum Mollusca, typically having a soft unsegmented body, a muscular foot, and often an external calcareous shell, such as a snail, clam, or octopus.

Example

"The marine biologist discovered a new species of deep-sea mollusk with a brilliantly colored, translucent shell."

Synonyms
View all synonyms for mollusk
Antonyms
View all antonyms for mollusk

Word Nuance & Usage

In British English and many international scientific contexts, the word is typically spelled 'mollusc'.

• Nearby Words

mole snake
molecule
molehill
mollusk
molly
mologa
molopo

Word Origin & Etymology

Borrowed from French 'mollusque', derived from Modern Latin 'Mollusca', which comes from the Latin 'molliscus' meaning 'soft' (a derivative of 'mollis', meaning soft).

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Mollusk. In Wordmom Dictionary. Retrieved Oct 15, 2026, from https://wordmom.com/dictionary/mollusk
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