noun. a watercourse that carries water away from a mill or water wheel or turbine.
1. Noun, singular or mass Spring is prime time for walleyes, and the fast-moving tailrace water never freezes, making it possible to catch walleyes as early as February if you can stand the cold. 2. Adjective Look for shad around current breaks and eddies formed by rocks and other structures in the water, or in tailrace areas below dams.