Adjective: crustacean ,krú'stey-shun
- Of or belonging to the class Crustacea
"Crustacean shells are rich in chitin";
- crustaceous
- Any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton
"Lobsters and crabs are well-known crustaceans"
Derived forms: crustaceans
Type of: arthropod
Part of: class Crustacea, Crustacea
Encyclopedia: Crustacean