·vi To be guided by reins.
II. Rein ·vt To govern or direct with the reins; as, to rein a horse one way or another.
III. Rein ·noun Hence, an instrument or means of curbing, restraining, or governing; government; restraint.
IV. Rein ·vt To Restrain; to Control; to Check.
V. Rein ·noun The strap of a bridle, fastened to the curb or snaffle on each side, by which the rider or driver governs the horse.