REINS

noun

1. A strap or rope attached to a bridle or bit, used to control a horse, animal or young child.
2. An instrument or means of curbing, restraining, or governing.

verb

1. To direct or stop a horse by using reins.
2. To restrain; to control; to check.
3. To obey directions given with the reins.

noun

1. (chiefly in plural) A kidney.
2. The inward impulses; the affections and passions, formerly supposed to be located in the area of the kidneys.