mollusk

noun

mol·​lusk ˈmä-ləsk How to pronounce mollusk (audio)
variants or mollusc
: any of a large phylum (Mollusca) of invertebrate animals (such as snails, clams, or squids) with a soft unsegmented body usually enclosed in a calcareous shell
broadly : shellfish
molluscan adjective
or less commonly molluskan

Examples of mollusk in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But immediately, the lack of shade will harm sensitive animals most prone to drying out, like mollusks and amphibians. Anton Sorokin, Smithsonian Magazine, 5 Feb. 2025 The new species was found with sediment that included mollusks and other brackish-water gastropods, according to the study. Irene Wright, Miami Herald, 5 Feb. 2025 Kingsley attempted to glean in all things, from the greatest of scientific laws to the humblest mollusk, the radiance of a divine glory. Ben Woollard, JSTOR Daily, 29 Jan. 2025 Scientists suggest the Earth might host up to 200,000 species of mollusks. Margherita Bassi, Smithsonian Magazine, 13 Jan. 2025 See all Example Sentences for mollusk 

Word History

Etymology

French mollusque, from New Latin Mollusca, from Latin, neuter plural of molluscus thin-shelled (of a nut), from mollis

First Known Use

1783, in the meaning defined above

Time Traveler
The first known use of mollusk was in 1783

Dictionary Entries Near mollusk

Cite this Entry

“Mollusk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mollusk. Accessed 21 Feb. 2025.

Kids Definition

mollusk

noun
mol·​lusk
variants or mollusc
: any of a large phylum of invertebrate animals (as snails, clams, and octopuses) with a soft body lacking segments and usually enclosed in a shell containing calcium
molluscan adjective
also molluskan

Medical Definition

mollusk

noun
mol·​lusk
variants or mollusc
: any invertebrate animal of the phylum Mollusca
molluscan adjective
also molluskan

More from Merriam-Webster on mollusk

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