noun🔗ShareCiscoAny North American freshwater fish of certain species of the genus Coregonus that live in cold-water lakes."The fisherman hoped to catch a cisco while ice fishing on the frozen lake. "Le pêcheur espérait attraper un cisco en pêchant sur la glace sur le lac gelé.fishanimalfoodbiologynatureChat with AIVocabulary GamePractice Reading