Brass

1. A yellowish alloy of copper and zinc, sometimes including small amounts of other metals, but usually 67 percent copper and 33 percent zinc. The bowl was made of brass.
2. Ornaments, objects, or utensils made of this alloy. She wore a large, beautiful brass necklace.
3. Slang. High-ranking military officers or other high officials. The brass posed for photos after the battle was won.