[{"Bold_text": "noun", "List Items": ["the brown, hard outer portion or surface of a loaf or slice of bread ( crumb ).", "a slice of bread from the end of a loaf, consisting chiefly of this.", "the pastry covering the outside of a pie or other dish.", "a piece of stale bread.", "any more or less hard external covering or coating:a crust of snow.", "Geology.the outer layer of the earth, about 22 miles (35 km) deep under the continentscontinental crustand 6 miles (10 km) deep under the oceansoceanic crust.Compare mantle(def3) mantle(def3), core1(def10) core1(def10).", "a scab or eschar.", "Slang.unabashed self-assertiveness; nerve; gall:He had a lot of crust going to the party without an invitation.", "deposit from wine, as it ripens during aging, on the interior of bottles, consisting of tartar and coloring matter.", "the hard outer shell or covering of an .", "Australian Slang.a living or livelihood:What do you do for a crust?"]}, {"Bold_text": "verb (used with object)", "List Items": ["to cover with or as with a crust; encrust .", "to form (something) into a crust."]}, {"Bold_text": "verb (used without object)", "List Items": ["to form or contract a crust.", "to form into a crust."]}]