brass, brass instrument -- (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)
administration, governance, governing body, establishment, brass, organization, organisation -- (the persons (or committees or departments etc.) who make up a body for the purpose of administering something; "he claims that the present administration is corrupt"; "the governance of an association is responsible to its members"; "he quickly became recognized as a member of the establishment")
boldness, nerve, brass, face, cheek -- (impudent aggressiveness; "I couldn't believe her boldness"; "he had the effrontery to question my honesty")
brass -- (an ornament or utensil made of brass)
brass section, brass -- (the section of a band or orchestra that plays brass instruments)
(Sound)
