crust

Dictionary definition · crust

noun

the outer layer of the Earth
a hard outer layer that covers something
the trait of being rude and impertinent; inclined to take liberties

verb

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

Similar words

Earth's crust encrustation incrustation cheekiness freshness gall impertinence impudence insolence

Source: Open English WordNet (CC BY 4.0).