A chemical element or alloy that forms a metallic bond with other metal atoms, typically shiny, malleable, hard, and a conductor of heat and electricity, as well as any material with similar physical properties, including alloys, and it can also refer to elements formed through nuclear reactions, crushed rock used for road construction, the ore from which a metal is derived, or an obsolete term for a mine.

(heraldry) A light tincture used in a coat of arms, specifically argent (white or silver) and or (gold).

Molten glass that is to be blown or moulded to form objects.

(music) A category of rock music encompassing a number of genres (including thrash metal, death metal, heavy metal, etc.) characterized by strong drum-beats and distorted guitars.

(figurative, archaic) The substance that constitutes something or someone; matter; hence, character or temper.

The effective power or calibre of guns carried by a vessel of war.

(UK, in the plural) The rails of a railway.

(informal, travel, aviation) The actual airline operating a flight, rather than any of the codeshare operators.

To make a road using crushed rock, stones etc.

(music) Characterized by strong drum-beats and distorted guitars.

Having the emotional or social characteristics associated with metal music; brash, bold, frank, unyielding, etc.