metal (Noun) — Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc..
metal (Noun) — A mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten.
metal (Noun) — Broken rock used for repairing or making roads.
metal (Noun) — Loud and harsh sounding rock music with a strong beat; lyrics usually involve violent or fantastic imagery.
metal (Noun) — (technology) physical hardware, e.g. as opposed to virtualized or rebadged hardware.
metal (Noun) — (astronomy) any element other than hydrogen and helium.
metal (Noun) — Molten glass that is to be blown or moulded.
metal (Adjective) — Containing or made of or resembling or characteristic of a metal. ex. "a metal compound"
metal (Verb) — Cover with metal.
metal (Verb) — Apply road metal.