brass
noun
[ brɑːs ]
• a yellow alloy of copper and zinc.
• "a brass plate on the door"
• brass wind instruments (including trumpet, horn, and trombone) forming a band or a section of an orchestra.
• "the brass were consistently too loud"
• people in authority or of high military rank.
• "the top brass of the Jockey Club"
• money.
• "they wanted to spend their newly acquired brass"
Origin:
Old English bræs, of unknown origin.