noun Date: 1786 a short rein looped over a hook on the saddle of a harness to prevent a horse from lowering its head, a branch rein connecting the driving rein of one horse of a pair with the bit of the other
CHECKREIN
Meaning of CHECKREIN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012