Main Entry: brass

Pronunciation: \ˈbras\

Function: noun

Etymology: Middle English bras, from Old English bræs; akin to Middle Low German bras metal

Date: before 12th century

1 : an alloy consisting essentially of copper and zinc in variable proportions
2 a : the brass instruments of an orchestra or band —often used in plural b : a usually brass memorial tablet c : bright metal fittings, utensils, or ornaments d : empty cartridge shells
3 : brazen self-assurance : gall
4 singular or plural in construction a : high-ranking members of the military b : persons in high positions (as in a business or the government)

— brass adjective