n. An abrupt elevation of land; a high promontory or plateau: as, a jutting highland.n. plural An elevated region broken into hills and mountains: often used as a proper name: as, the Highlands of Scotland; the Hudson Highlands; the highlands of Abyssinia.Pertaining or belonging to high lands or to mountainous regions, especially (with a capital) the Highlands of Scotland: as, highland scenery; highland vegetation.