Brass

1. A metallic alloy of copper and zinc used in many industrial and plumbing applications.
2. A class of wind instruments, usually made of metal (such as brass), that use vibrations of the player's lips to produce sound; the section of an orchestra that features such instruments
3. Spent shell casings (usually made of brass); the part of the cartridge left over after bullets have been fired.
4. The colour of brass.
5. (used as a singular or plural noun, metonym) High-ranking officers.

   The brass are not going to like this.

6. A brave or foolhardy attitude; impudence.

   You've got a lot of brass telling me to do that!

7. Money.
8. Inferior composition.

verb

To coat with brass.

1. Made of brass, of or pertaining to brass.
2. Of the colour of brass.
3. Impertinent, bold: brazen.
4. Bad, annoying; as wordplay applied especially to brass instruments.
5. Of inferior composition.

1. Brass in pocket; money.
2. A brass nail; a prostitute.

adjective

Brass monkey; cold.