- of the nature of or pertaining to a crust or shell.
- having a hard covering or crust.
Origin of crustaceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for crustaceous
The groups of crustaceous organisms classed as Entomostraca.The Sailor's Word-Book
William Henry Smyth
The shell is kidney-shaped, and of a leathery, crustaceous substance.The American Flower Garden Directory
It seems to tell of a hardness—bad propensities—a crustaceous nature.Beauty
The crabs are pulled out with a celerity that astonishes their crustaceous lordships.Petals Plucked from Sunny Climes
Are we not told that the horse in the crustaceous age—I select a large word at random—was built no bigger than a dog?Hints to Pilgrims
Charles Stephen Brooks
- forming, resembling, or possessing a surrounding crust or shell
- zoology another word for crustacean (def. 2)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012