Definition of "crustaceous" [crus•ta•ceous]

• Having, resembling, or constituting a hard crust or shell. (adjective)
• Crustacean. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "On this shining shell I discovered a new kind of crustaceous animal, of a beautiful ultramarine blue, like the shell; I knew this to be a Pinnothera."
• "Awaking this morning to the sound of Vito's electric toothbrush, I extricated my shriveled carcass from the tub, said my morning prayer to the Lobster God crustaceous and ornery be He and shuffled over to the computer in order to check my electronic mail."
• "Nicholas Ridley, Britain's crustaceous cabinet secretary for Trade and Industry, scandalized Europe -- and lost his job -- last week with an outburst of vintage little-England geopolitics."