crust

• the trait of being rude and impertinent
• the outer layer of the Earth
• a hard outer layer that covers something
• form a crust or form into a crust
• The hard external coat or covering of anything
• The hard exterior or surface of bread, in distinction from the soft part or crumb
• The cover or case of a pie, in distinction from the soft contents
• The dough, or mass of doughy paste, cooked with a potpie
• The exterior portion of the earth, formerly universally supposed to inclose a molten interior
• The shell of crabs, lobsters, etc
• A hard mass, made up of dried secretions blood, or pus, occurring upon the surface of the body
• An incrustation on the interior of wine bottles, the result of the ripening of the wine
• To cover with a crust
• To gather or contract into a hard crust

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