Crusta to Cryptogamia
(||Crus"ta) n. [L., shell, crust, inlaid work.]
1. A crust or shell.
2. A gem engraved, or a plate embossed in low relief, for inlaying a vase or other object.
(||Crus*ta"ce*a) n. pl. [Neut. pl. of NL. crustaceus pert. to the crust or shell, from L. crusta
the hard surfsce of a body, rind, shell.] (Zoöl.) One of the classes of the arthropods, including lobsters
and crabs; so called from the crustlike shell with which they are covered.
The body usually consists of an anterior part, made up of the head and thorax combined, called the
cephalothorax, and of a posterior jointed part called the abdomen, postabdomen, and (improperly)
tail. They breathe by means of gills variously attached to some of the limbs or to the sides the body,
according to the group. They are divisible into two subclasses, Entomostraca and Malacostraca, each of
which includes several orders.
(Crus*ta"cean) a. (Zoöl.) Of or pertaining to the Crustacea; crustaceous. n. An animal
belonging to the class Crustacea.
(Crus*ta`ce*o*log"ic*al) a. Pertaining to crustaceology.
(Crus*ta`ce*ol"o*gist) n. One versed in crustaceology; a crustalogist.
(Crus*ta`ce*ol"o*gy) n. [Crustacea + -logy.] That branch of Zoölogy which treats of the
Crustacea; malacostracology; carcinology.
(Crus*ta"ceous) a. [NL. crustaceous. See crustacea.]
1. Pertaining to, or of the nature of, crust or shell; having a crustlike shell.
2. (Zoöl.) Belonging to the Crustacea; crustacean.
(Crus*ta"ceous*ness), n. The state or quality of being crustaceous or having a crustlike
(Crust"al) a. Relating to a crust.
(Crus`ta*log"ic*al) a. Pertaining to crustalogy.
(Crus*tal"o*gist) n. One versed in crustalogy.
(Crus*tal"o*gy) n. [L. crusta shell + -logy.] Crustaceology.
(Crus"ta*ted) a. [L. crustatus, p. p. of crustare, fr. crusta. See Crust.] Covered with a
crust; as, crustated basalt.
(Crus*ta"tion) n. An adherent crust; an incrustation. Pepys.
(Crust"ed) a. Incrusted; covered with, or containing, crust; as, old, crusted port wine.
(Crus*tif`ic) a. [L. crusta crust + -facere to make.] Producing or forming a crust or skin. [R.]
(Crust"i*ly) adv. In a crusty or surly manner; morosely.
1. The state or quality of having crust or being like crust; hardness.