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Crustacean Meaning in English

word

kɹəˈsteɪʃən
kruh-STAY-shuhn
kɹʌstˈeɪʃən
kruh-STAY-shuhn

Definition

A crustacean is a type of animal with a hard shell and jointed legs, such as a crab, shrimp, or lobster, usually found in water.

Usage & Nuances

Scientific/biological term, most common in formal or technical contexts. 'Crustacean' refers to the whole group (e.g., crabs, lobsters), not one specific animal. Not used for insects or mollusks.

Example Sentences

A crab is a kind of crustacean.

basic

Lobsters and shrimp are both crustaceans.

basic

A shrimp is a small crustacean found in water.

basic

Many people are allergic to crustaceans like shrimp and crab.

natural

The restaurant serves only fresh crustaceans caught daily.

natural

Scientists study crustaceans to learn about ocean life.

natural