1. (n.) The hard external coat or covering of anything; the hard exterior surface or outer shell; an incrustation; as, a crust of snow.

2. (n.) The hard exterior or surface of bread, in distinction from the soft part or crumb; or a piece of bread grown dry or hard.

3. (n.) The cover or case of a pie, in distinction from the soft contents.

4. (n.) The dough, or mass of doughy paste, cooked with a potpie; -- also called dumpling.

5. (n.) The exterior portion of the earth, formerly universally supposed to enclose a molten interior.

6. (n.) The shell of crabs, lobsters, etc.

7. (n.) A hard mass, made up of dried secretions blood, or pus, occurring upon the surface of the body.

8. (n.) An incrustation on the interior of wine bottles, the result of the ripening of the wine; a deposit of tartar, etc. See Beeswing.

9. (n.) To cover with a crust; to cover or line with an incrustation; to incrust.

10. (v. i.) To gather or contract into a hard crust; to become incrusted.

French bread Irish soda bread Italian bread acres alluvion alluvium arable land black bread border brashness brass bread bread stick bread stuff brown bread cheek chutzpah circumference clay clod confidence cortex covering cracked-wheat bread dark bread dirt dry land dust earth effloresce encrust envelope epidermis eschar exterior external facade face facet freehold fringe front gall garlic bread glebe graham bread grassland ground incrust incrustation integument land landholdings lineaments lithosphere loaf of bread loricate marginal land marl matzo matzoth mold nerve nut bread outer face outer layer outer side outer skin outline outside pain pastry shell periphery piecrust pita presumption pumpernickel raisin bread real estate real property region regolith rind rye bread salt-rising bread scab scale shell skin sod soil sourbread sourdough bread staff of life stalactite stalagmite subaerial deposit subsoil superficies superstratum surface terra terra firma terrain territory the country toast tommy top topsoil unleavened bread white bread whole wheat bread woodland