CRUSHER
Crush"er (-r), n.
Defn: One who, or that which, crushes. Crusher gauge, an instrument for measuring the explosive force of gunpowder, etc., by its effect in compressing a piece of metal.
CRUSHING
Crush"ing, a.
Defn: That crushes; overwhelming. "The blow must be quick and crushing." Macualay.
CRUST Crust (krst), n. Etym: [L. crusta: cf. OF. crouste, F. cro; prob. akin to Gr. 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. I have known the statute of an emperor quite hid under a crust of dross. Addison. Below this icy crust of conformity, the waters of infidelity lay dark and deep as ever. Prescott.
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. Th' impenetrable crust thy teeth defies. Dryden. He that keeps nor crust nor crumb. Shak. They . . . made the crust for the venison pasty. Macualay.
3. (Geol.)
Defn: The exterior portion of the earth, formerly universally supposed to inclose a molten interior.
4. (Zoöl.)