The Collaborative International Dictionary
Crustaceous
Crustaceous \Crus*ta"ceous\ (kr?s-t?"sh?s; 97), a. [NL. crustaceous. See crustacea.]
Pertaining to, or of the nature of, crust or shell; having a crustlike shell.
(Zo["o]l.) Belonging to the Crustacea; crustacean.
Wiktionary
crustaceous
a. 1 Resembling a crustacean. 2 Hard, thin and brittle.
WordNet
crustaceous
adj. of or belonging to the class Crustacea [syn: crustacean]
being or having or resembling a hard crust or shell
Usage examples of "crustaceous".
On the contrary, the predaceous cephalopods and the highly organized crustaceous are among the oldest fossils.
Mrs Wardell had gone home with a migraine, but Rheta was still there, working at the binocular microscope on sections of skin taken from the body of the crustaceous mouse.