A long narrow strap, frequently of leather, attached to the bridle or bit of a horse or other animal… In singular.

A long narrow strap or cord attached to the bit or headgear of a horse or other animal and used to control and direct the animal; a rein.

A bridle, a rein. Also in extended use. Obsolete.

Something looped, or forming part of a chain-like arrangement. A loop; a segment of a cord, etc.; a lock of hair. In Angling, one of the segments of…

a rein to lead a horse or other animal; also figurative.

A rein for a horse. Also in figurative context.

a short rein passing from the bit of a carriage horse to the pad of its harness via the bridle headpiece, intended to keep the horse's head up and…

General use as a modifier designating bridles or parts of bridles having or using this sort of bit, as bridoon-bit, bridoon-bridle, †bridoon head, b…

(a) a rein connecting the driving-rein of one horse to the bit of the other horse, a coupling-rein; (b) a strap which prevents a horse from…

colloquial. In plural. Reins. Cf. riband, n. 4. Now archaic or English regional.

In plural. Reins; = ribbon, n. 4c. Also figurative. Now rare and archaic.

a portion of the head-part of a rein.

plural. Reins. dialect and U.S.

Reins collectively.

A form of catch on a rein; elliptical a check-rein. U.S.

U.S. = overcheck, n.2 Usually in overdraw check. Now rare.

(see quot.)

A rein used when driving horses, which passes over the horse's head between the ears, allowing the driver to pull upwards on the bit and raise…