Definition of: brass

(bras, bräs) noun
1. An alloy essentially of copper and zinc, harder than copper, ductile, and capable of being hammered into thin leaves.
2. Formerly, any alloy of copper, especially one with tin.
3. An ornament or utensil of brass, as a candlestick, doorknob, etc.: chiefly in the plural.
4. The brass wind instruments of an orchestra collectively.
5. Colloq. Impudence; effrontery.
6. Slang Money.
7. A bearing box or bush, properly of a copper alloy.
8. A monumental tablet of brass.
9. Colloq. High-ranking military officers collectively. [OE bræs]