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
Examples of mollusk in a Sentence
Recent Examples on the Web
Here, a man entranced by eight-legged mollusks is dedicating his time to engaging with them through art.
—
Francesca Perry, CNN Money, 17 July 2025
In fact, oysters accounted for the largest (56.8%) share of the $575 million in national mollusk industry sales that year—followed by clams (38.6%), mussels (3.9%), and abalone and other mollusks (both less than 1%).
—Noël Fletcher, Forbes.com, 26 June 2025
Cone snails, part of the Conidae family, are a type of predatory gastropod mollusk that live inside spiral shells.
—Alyce Collins, MSNBC Newsweek, 22 June 2025
Indeed, the apparent traces of mollusks and the probable bite marks of sharks suggest that the tooth spent some amount of time at the bottom of the sea before being transported to the coast by ocean currents.
—Sam Walters, Discover Magazine, 19 June 2025
See All Example Sentences for mollusk
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Francesca Perry, CNN Money, 17 July 2025
In fact, oysters accounted for the largest (56.8%) share of the $575 million in national mollusk industry sales that year—followed by clams (38.6%), mussels (3.9%), and abalone and other mollusks (both less than 1%).
—Noël Fletcher, Forbes.com, 26 June 2025
Cone snails, part of the Conidae family, are a type of predatory gastropod mollusk that live inside spiral shells.
—Alyce Collins, MSNBC Newsweek, 22 June 2025
Indeed, the apparent traces of mollusks and the probable bite marks of sharks suggest that the tooth spent some amount of time at the bottom of the sea before being transported to the coast by ocean currents.
—Sam Walters, Discover Magazine, 19 June 2025
See All Example Sentences for mollusk
Cite this Entry
“Mollusk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mollusk. Accessed 22 Jul. 2025.
Copy CitationKids 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
Medical Definition
mollusk
noun
mol·lusk
variants
or mollusc
: any invertebrate animal of the phylum Mollusca
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