Checkrein
(n.) A short rein looped over the check hook to prevent a horse from lowering his head; -- called also a bearing rein.
(n.) A branch rein connecting the driving rein of one horse of a span or pair with the bit of the other horse.
Similar Words:
Cashier's check Check Checkage Checked Checker Checkerberries Checkerberry Checkerboard Checkered Checkering