crustaceous

[ kruh-stey-shuhs ]

adjective

1. of the nature of or pertaining to a crust or shell.
2. crustacean.
3. having a hard covering or crust.

crustaceous

/ krʌˈsteɪʃəs /

adjective

1. forming, resembling, or possessing a surrounding crust or shell
2. zoology another word for crustacean

Other Words From

• noncrus·taceous adjective

Word History and Origins

Origin of crustaceous¹

First recorded in 1640–50, crustaceous is from the New Latin word crūstāceus (adj.) hard-shelled. See crustacean, -aceous

Example Sentences

The organisms examined for the study were two common types of crustaceous zooplankton that differ in size and feeding behavior.

From Science Daily

Being a toast-and-egg man myself, my day begins with the transubstantiation of bread into its crustaceous cousin, toast.

From The Guardian

Drupe globular; the thin crustaceous putamen hollowed out like a cup on one side.

From Project Gutenberg

Another very distinct group with silvery foliage—the crustaceous group—contains some of our choicest Alpines.

From Project Gutenberg

In estuaries it feeds on crustaceous and molluscous animals and small fish, which it obtains by diving.

From Project Gutenberg