Carn in English dictionary carn Meanings and definitions of "Carn" interjection (Australia, informal) Come on. interjection (Australia, informal) An exclamation of support or approval, usually for a sporting (especially football) team. noun Archaic form of [i]cairn[/i]. more Grammar and declension of Carn carn (plural carns) more Carn Sample sentences with "Carn" Declension Stem Try again Available translations Cornish Scottish Gaelic Authors