From Longman Dictionary of Contemporary Englishtropictrop‧ic /ˈtrɒpɪk $ ˈtrɑː-/ noun 1 [countable]HEOPG one of the two imaginary lines around the world, either the Tropic of Cancer which is 23½º north of the equator, or the Tropic of Capricorn which is 23½º south of the equator2 → the tropicsOrigin tropic (1500-1600) Latin tropicus “of the point where the sun turns back having gone its furthest north and south”, from Greek, from trope; → TROPHY
