crustaceous definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- of or like a crust
- having a hard crust or shell
- Zool. crustacean
Origin: Modern Latin crustaceus: see crustacean
crustaceous definition by American Heritage Dictionary
- Having, resembling, or constituting a hard crust or shell.
Origin: Latin crūsta, shell; see kreus- in Indo-European roots + -aceous.