v. i. To gather or contract into a hard crust; to become incrusted. [ 1913 Webster ]

The place that was burnt . . . crusted and healed. Temple. [ 1913 Webster ]

v. t. [ imp. & p. p. Crusted; p. pr. & vb. n. Crusting. ] [ Cf. OF. crouster, L. crustare. See Crust, n. ] To cover with a crust; to cover or line with an incrustation; to incrust. [ 1913 Webster ]

The whole body is crusted over with ice. Boyle. [ 1913 Webster ]

And now their legs, and breast, and bodies stood
Crusted with bark. Addison. [ 1913 Webster ]

Very foul and crusted bottles. Swift. [ 1913 Webster ]

Their minds are crusted over, like diamonds in the rock. Felton. [ 1913 Webster ]

n. [ L. crusta: cf. OF. crouste, F. croûte; prob. akin to Gr. &unr_;&unr_;&unr_;&unr_;&unr_; ice, E. crystal, from the same root as E. crude, raw. See Raw, and cf. Custard. ] 1. The hard external coat or covering of anything; the hard exterior surface or outer shell; an incrustation; as, a crust of snow. [ 1913 Webster ]

I have known the statute of an emperor quite hid under a crust of dross. Addison. [ 1913 Webster ]

Below this icy crust of conformity, the waters of infidelity lay dark and deep as ever. Prescott. [ 1913 Webster ]

2. (Cookery) (a) The hard exterior or surface of bread, in distinction from the soft part or crumb; or a piece of bread grown dry or hard. (b) The cover or case of a pie, in distinction from the soft contents. (c) The dough, or mass of doughy paste, cooked with a potpie; -- also called dumpling. [ 1913 Webster ]

Th' impenetrable crust thy teeth defies. Dryden. [ 1913 Webster ]

He that keeps nor crust nor crumb. Shak. [ 1913 Webster ]

They . . . made the crust for the venison pasty. Macaulay. [ 1913 Webster ]

3. (Geol.) The exterior portion of the earth, formerly universally supposed to inclose a molten interior. [ 1913 Webster ]

4. (Zool.) The shell of crabs, lobsters, etc. [ 1913 Webster ]

5. (Med.) A hard mass, made up of dried secretions blood, or pus, occurring upon the surface of the body. [ 1913 Webster ]

6. An incrustation on the interior of wine bottles, the result of the ripening of the wine; a deposit of tartar, etc. See Beeswing. [ 1913 Webster ]

‖n. [ L., shell, crust, inlaid work. ] [ 1913 Webster ]

1. A crust or shell. [ 1913 Webster ]

2. A gem engraved, or a plate embossed in low relief, for inlaying a vase or other object. [ 1913 Webster ]

‖n. pl. [ Neut. pl. of NL. crustaceus pert. to the crust or shell, from L. crusta the hard surfsce of a body, rind, shell. ] (Zool.) One of the classes of the arthropods, including lobsters and crabs; -- so called from the crustlike shell with which they are covered. [ 1913 Webster ]

☞ 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. [ 1913 Webster ]

a. (Zool.) Of or pertaining to the Crustacea; crustaceous. -- n. An animal belonging to the class Crustacea. [ 1913 Webster ]

a. Pertaining to crustaceology. [ 1913 Webster ]

n. One versed in crustaceology; a crustalogist. [ 1913 Webster ]

n. [ Crustacea + -logy. ] That branch of Zoology which treats of the Crustacea; malacostracology; carcinology. [ 1913 Webster ]

a. [ NL. crustaceous. See crustacea. ] 1. Pertaining to, or of the nature of, crust or shell; having a crustlike shell. [ 1913 Webster ]

2. (Zool.) Belonging to the Crustacea; crustacean. [ 1913 Webster ]