A crust or shell. / A gem engraved, or a plate embossed in low relief, for inlaying a vase or other object.

The state or quality of being crustaceous, or having a crust-like shell.

(rare) Pertaining to crustaceology.

(biochemistry) Any of a class of complexes of astaxanthin and protein found in the carapace of lobsters

(biology) Any animal (typically a bird) that forages for, and eats crustaceans

plural of crustacivore

plural of crustacyanin