1. crust, Earth's crust, layer

usage: the outer layer of the Earth

2. crust, incrustation, encrustation, covering, natural covering, cover

usage: a hard outer layer that covers something

3. crust, gall, impertinence, impudence, insolence, cheekiness, freshness, discourtesy, rudeness

usage: the trait of being rude and impertinent; inclined to take liberties


1. crust, change surface

usage: form a crust or form into a crust; "The bread crusted in the oven"

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See also: crust (Dictionary)