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 Word Forms

• noncrustaceous 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.

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

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Achene naked, bony or crustaceous, supported on a hardened disk.

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

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Gulls are, moreover, of material service, for they perform for the surface of the sea the same office which crustaceous animals do for its depths.

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