crustacean Hear it!

crustacean definition

crus·ta·cean (krus tā′s̸hən)

noun

any of a subphylum (Crustacea) of arthropods, including shrimps, crabs, barnacles, and lobsters, that usually live in the water and breathe through gills: they have a hard outer shell and jointed appendages

Etymology: ModL Crustacea < crustaceus, having a crust or shell < L crusta, crust

adjective

of crustaceans

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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