crust

Universal Words noun 1 [C,U] the hard outer surface of bread: sandwiches with the crusts cut off 2 [C,usually sing.] a layer of pastry, especially on top of a pie: Bake until the crust is golden. 3 [C,U] a hard layer or surface, especially above or around sth soft or liquid: a thin crust of ice * the earth's crust seealsoTHEUPPERCRUST IDIOMS see EARN