CRUSTACEAN
crustaceous, crustacean
(adjective) of or belonging to the class Crustacea
crustacean
(noun) any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton
Source: WordNet® 3.1
Etymology
Noun
crustacean (plural crustaceans or crustacea)
Any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice.
Hyponyms
• See also crustacean
Source: Wiktionary
Crus*ta"cean (krs-t"shan; 97), a. (Zoöl.)
Definition: Of or pertaining to the Crustacea; crustaceous.
– n.
Definition: An animal belonging to the class Crustacea.
Source: Webster’s Unabridged Dictionary 1913 Edition