D defs.my
Entry 2 senses Webster, 1913

Checkrein

· Check·rein · IPA
01 n. A short rein looped over the check hook to prevent a horse from lowering his head; -- called also a bearing rein.
  1. 1.
    A short rein looped over the check hook to prevent a horse from lowering his head; -- called also a bearing rein. Also: bearing rein
  2. 2.
    A branch rein connecting the driving rein of one horse of a span or pair with the bit of the other horse.