crustaceous Meaning, Definition & Usage

  1. adjective of or belonging to the class Crustacea
    crustacean.
  2. adjective being or having or resembling a hard crust or shell

WordNet

Crus*ta"ceous adjective
Etymology
NL. crustaceous. See crustacea.
Definitions
  1. Pertaining to, or of the nature of, crust or shell; having a crustlike shell.
  2. (Zoöl.) Belonging to the Crustacea; crustacean.

Webster 1913