Entry 1 sense Webster, 1913 Cañon /(kä*nyō̇n"; anglicized kăn"yŭn)/ · Ca·ñon · IPA 01 n. A deep gorge, ravine, or gulch, between high and steep banks, worn by water courses. 1. A deep gorge, ravine, or gulch, between high and steep banks, worn by water courses.[Mexico & Western U. S.]