Definition of "Brass" :

noun: a wind instrument that consists of a brass tube (usually of variable length) that is blown by means of a cup-shaped or funnel-shaped mouthpiece

noun: a memorial made of brass

noun: an ornament or utensil made of brass

noun: impudent aggressiveness

noun: the persons (or committees or departments etc.) who make up a body for the purpose of administering something

noun: the section of a band or orchestra that plays brass instruments

noun: an alloy of copper and zinc