- any of various alloys or metallic substances with a dark gray or blackish color or finish, used for chains, belt buckles, etc.
- a dark gray with bluish or purplish tinge.
- a bronze formerly much used for cannon.
- an alloy of 88 percent copper, 10 percent tin, and 2 percent zinc, cast or machined for use in valves, gears, and other parts.
- a type of bronze containing copper (88 per cent), tin (8–10 per cent), and zinc (2–4 per cent): used for parts that are subject to wear or to corrosion, esp by sea water
- any of various dark grey metals used for toys, belt buckles, etc
- a dark grey colour with a purplish or bluish tinge
- (as adjective)
