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A crustade. [Obs.]

To break, as by throwing or by collision; to shatter; to crust; to frustrate; to ruin. Thou shalt dash them in pieces like a potter's vessel. Ps. ii. 9. A brave vessel, . . . Dashed all to pieces. Shak. To perplex and dash Maturest counsels. Milton.

A hydrous carbonate of alumina and soda, occuring in white, bladed crustals.

A mortal or crushing blow; a stroke or event which kills or destroys. The deathblow of my hope. Byron.

A crustacean with ten feet or legs, as a crab; one of the Decapoda. Also used adjectively.

The order of Crustacea which includes the shrimps, lobsters, crabs, etc.

ended to replace the knife in many operations, the parts operated on being severed by the crushing effect produced by the gradual tightening of a steel chain, so that hemorrhage rarely follows.

the discharge of a watery exudation, which often dries up, leaving the skin covered with crusts; -- called also tetter, milk crust, and salt rheum.

Milton. Edge joint (Carp.), a joint formed by two edges making a corner. -- Edge mill, a crushing or grinding mill in which stones roll around on their edges, on a level circular bed; -- used for ore, and as an oil mill. Called also Chilian mill. -- Edge molding (Arch.), a molding whose section is made up of two curv…

A group of Crustacea in which the eyes are without stalks; the Arthrostraca. [Written also Edriophthalmata.]

To become covered with a whitish crust or light crystallization, from a slow chemical change between some of the ingredients of the matter covered and an acid proceeding commonly from an external source; as, the walls of limestone caverns sometimes effloresce with nitrate of calcium in consequence of the action in cons…

The formation of the whitish powder or crust on the surface of efflorescing bodies, as salts, etc.

To harden. [Obs.] It will embrawn and iron-crust his flesh. Nash.

The inner or principal branch of the oral appendages of Crustacea. See Maxilla.

A chitinous structure above the nervous cord in the thorax of certain Crustacea.

The portion of each apodeme developed from the interepimeral membrane in certain crustaceans.

The internal or principal branch of the locomotive appendages of Crustacea. See Maxilliped.

The part of each apodeme derived from the intersternal membrane in Crustacea and insects.

A plate which supports the labrum in certain Crustacea.

One of the subclasses of Crustacea, including a large number of species, many of them minute. The group embraces several orders; as the Phyllopoda, Ostracoda, Copepoda, and Pectostraca. See Copepoda, Phyllopoda, and Cladocera.