shellfish
noun
shell·fish
ˈshel-ˌfish 
: an aquatic invertebrate animal with a shell
especially
: an edible mollusk or crustacean
Examples of shellfish in a Sentence
lobsters, crabs, and other shellfish
Recent Examples on the Web
State officials announced that shellfish caught along certain outer sections of the Boston Harbor can now be eaten.
—
Logan Hall, CBS News, 3 Jan. 2026
Including a variety of fish and shellfish can help fill common nutrient gaps, especially omega-3s and B12.
—Jillian Kubala, Health, 31 Dec. 2025
Raw shellfish such as clams, mussels and scallops can contain pathogens picked up from contaminated water.
—Katia Hetter, CNN Money, 31 Dec. 2025
Talk about being just plain shellfish.
—Jeremy Repanich, Robb Report, 31 Dec. 2025
See All Example Sentences for shellfish
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Logan Hall, CBS News, 3 Jan. 2026
Including a variety of fish and shellfish can help fill common nutrient gaps, especially omega-3s and B12.
—Jillian Kubala, Health, 31 Dec. 2025
Raw shellfish such as clams, mussels and scallops can contain pathogens picked up from contaminated water.
—Katia Hetter, CNN Money, 31 Dec. 2025
Talk about being just plain shellfish.
—Jeremy Repanich, Robb Report, 31 Dec. 2025
See All Example Sentences for shellfish
Cite this Entry
“Shellfish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/shellfish. Accessed 6 Jan. 2026.
Copy CitationKids Definition
shellfish
noun
shell·fish
ˈshel-ˌfish
: an invertebrate animal that lives in water and has a shell
especially
: an edible mollusk (as an oyster) or crustacean (as a crab)
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