n. | 1. | The hard external coat or covering of anything; the hard exterior surface or outer shell; an incrustation; |
2. | (Cookery) 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. | (Geol.) The exterior portion of the earth, formerly universally supposed to inclose a molten interior. | |
4. | (Zool.) The shell of crabs, lobsters, etc. | |
5. | (Med.) A hard mass, made up of dried secretions blood, or pus, occurring upon the surface of the body. | |
6. | An incrustation on the interior of wine bottles, the result of the ripening of the wine; a deposit of tartar, etc. See Beeswing. | |
v. t. | 1. | To cover with a crust; to cover or line with an incrustation; to incrust. |
v. i. | 1. | To gather or contract into a hard crust; to become incrusted. |
Noun | 1. | crust - the outer layer of the Earth Synonyms: Earth's crust |
2. | crust - a hard outer layer that covers something Synonyms: encrustation, incrustation | |
3. | crust - the trait of being rude and impertinent; inclined to take liberties | |
Verb | 1. | crust - form a crust or form into a crust; "The bread crusted in the oven" |