brass
1 n-uncount Brass is a yellow-coloured metal made from copper and zinc. It is used especially for making ornaments and musical instruments.
The instrument is beautifully made in brass.
2 n-sing The brass is the section of an orchestra which consists of brass wind instruments such as trumpets and horns.
3 If you get down to brass tacks, you discuss the basic, most important facts of a situation. ♦
get down to brass tacks phrase Angola's ruling party was due to get down to brass tacks today with a debate on the party's record.
brass band (brass bands plural )A brass band is a band that is made up of brass and percussion instruments. n-count
brass rubbing (brass rubbings plural )A brass rubbing is a picture made by placing a piece of paper over a brass plate that has writing or a picture on it, and rubbing it with a wax crayon. n-count
top brass
In the army or in other organizations, the top brass are the people in the highest positions.
(BRIT)
INFORMAL n-sing-coll
...a reshuffle of the army's top brass.