Definitions
1.nounA strap or rope attached to a bridle or bit, used to control a horse, animal or young child.
2.nounAn instrument or means of curbing, restraining, or governing.
3.verbTo direct or stop a horse by using reins.
4.verbTo restrain; to control; to check.
5.verbTo obey directions given with the reins.
6.noun(chiefly in plural) A kidney.
7.nounThe inward impulses; the affections and passions, formerly supposed to be located in the area of the kidneys.