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noun Uncommon

shellfish

SHEHL-fihsh

Shellfish (noun) means an aquatic animal with a shell, such as a crab, mussel, or oyster, especially one eaten as food. Example: “The restaurant is known for its fresh shellfish platter.”

noun
1
An aquatic animal with a shell, such as a crab, mussel, or oyster, especially one eaten as food.
"The restaurant is known for its fresh shellfish platter."

How to use shellfish

Learner’s notes

In plain EnglishA general food-and-fishing term covering shelled sea creatures like crab, lobster, mussels, and clams — despite the name, most aren't fish at all.

Common mistake

Shellfish aren't true fish biologically; the term is a culinary and everyday category, not a scientific one.

Common pairings
shellfish allergy fresh shellfish

Word forms

shellfish plural, shellfishes plural

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Test yourself on “shellfish” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

The restaurant is known for its fresh _____ platter.

Etymology

From Old English sċielfisċ, "shell" plus "fish."

Origin: Old English

Frequently asked questions

What does “shellfish” mean?

The word “shellfish” means an aquatic animal with a shell, such as a crab, mussel, or oyster, especially one eaten as food. In plain terms, a general food-and-fishing term covering shelled sea creatures like crab, lobster, mussels, and clams — despite the name, most aren't fish at all.

How do you pronounce “shellfish”?

“Shellfish” is pronounced SHEHL-fihsh (/ˈʃɛl.fɪʃ/ in IPA).

How do you use “shellfish” in a sentence?

Here is “shellfish” used in a sentence: “The restaurant is known for its fresh shellfish platter.”

What part of speech is “shellfish”?

“Shellfish” is a noun.

Where does the word “shellfish” come from?

The word “shellfish” comes from Old English. From Old English sċielfisċ, "shell" plus "fish.".

Is “shellfish” a common word?

“Shellfish” is an uncommon word in modern English.

Definitions: FreeDict original editorial