crustacean
Crustacean (noun) means a hard-shelled creature such as a crab, lobster, shrimp, or barnacle, mostly living in water. Example: “Lobsters and crabs are both crustaceans.”
How to use crustacean
Learner’s notesIn plain EnglishA group of shelled sea creatures that includes crabs, lobsters, shrimp, and barnacles.
Word forms
more crustacean comparative, crustaceans plural, most crustacean superlative
Fill the gap
Can you complete this real example?
Lobsters and crabs are both _____.
Etymology
From the scientific name Crustacea, based on Latin crusta ("shell" or "crust") — named for their hard outer shell.
Rhymes for crustacean
See all rhymes for crustacean →Frequently asked questions
What does “crustacean” mean?
The word “crustacean” means a hard-shelled creature such as a crab, lobster, shrimp, or barnacle, mostly living in water. In plain terms, a group of shelled sea creatures that includes crabs, lobsters, shrimp, and barnacles.
How do you pronounce “crustacean”?
“Crustacean” is pronounced kruhs-TAY-shuhn (/kɹʌsˈteɪʃən/ in IPA).
How do you use “crustacean” in a sentence?
Here is “crustacean” used in a sentence: “Lobsters and crabs are both crustaceans.”
What part of speech is “crustacean”?
“Crustacean” is a noun.
Where does the word “crustacean” come from?
The word “crustacean” comes from Latin. From the scientific name Crustacea, based on Latin crusta ("shell" or "crust") — named for their hard outer shell.