'Incrust' definitions:

Definition of 'incrust'

verb

Decorate or cover lavishly (as with gems) [syn: encrust, incrust, beset]

verb

Cover or coat with a crust [syn: encrust, incrust]

verb

Form a crust or a hard layer [syn: encrust, incrust]

From: GCIDE

Incrust \In*crust"\, v. t. [imp. & p. p. Incrusted; p. pr. & vb. n. Incrusting.] [L. incrustare; pref. in- in + crustare to cover with a crust: cf. F. incruster. See Crust.] [Written also encrust.] [1913 Webster]
1. To cover or line with a crust, or hard coat; to form a crust on the surface of; as, iron incrusted with rust; a vessel incrusted with salt; a sweetmeat incrusted with sugar. [1913 Webster]
And by the frost refin'd the whiter snow, Incrusted hard. --Thomson. [1913 Webster]
2. (Fine Arts) To inlay into, as a piece of carving or other ornamental object. [1913 Webster]