CRUSTACEOUS

crustaceous. Crustaceous, a. shelly, having soft shells, in several pieces, as a lobster

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Crus‐ta″ceous (kr?s–t?″sh?s; 97), a. [[NL. crustaceous. See crustacea.]] 1. 1. Pertaining to, or of the nature of, crust or shell; having a crustlike shell.
2. 2. (Zoöl.) Belonging to the Crustacea; crustacean.