crustaceous

[ kruh-stey-shuh s ]

/ krʌˈsteɪ ʃəs /

of the nature of or pertaining to a crust or shell.

having a hard covering or crust.

Origin of crustaceous

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

non·crus·ta·ceous, adjective

crushproof, crusie, crusoe, crust, crustacean, crustaceous, crustal, crustal plate, crusted, crustose, crusty

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

Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 7 |Various
Fruit drupe-like when fresh, more or less compressed; endocarp (nutlet) crustaceous.

The Manual of the Botany of the Northern United States |Asa Gray
As we proceeded on the soft, crustaceous surface, diminutive spouts of vapor would spit forth, as if to resent our intrusion.

The Continental Monthly, Vol. 6, No 3, September 1864 |Various
There are fourteen species of shells, and seven among the crustaceous.

The Oriental Republic of Uruguay at the World's Columbian Exhibition, Chicago, 1893 |Carlos Maria de Pena

Fruit a kind of dry drupe, with a crustaceous or bony nut-shell, containing a large 4-lobed orthotropous seed.

The Manual of the Botany of the Northern United States |Asa Gray

crustaceous

/ (krʌˈsteɪʃəs) /

forming, resembling, or possessing a surrounding crust or shell

zoology another word for crustacean (def. 2)