(transitive) To direct or stop a horse by using reins. / (transitive) To restrain; to control; to check. / (intransitive) To obey directions given with the reins.

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

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

To stop or slow a horse by pulling the reins / (idiomatic) To stop or slow something, by exercising control.

A surname from German.

present participle of rein

plural of rein

Third-person singular simple present indicative form of rein

(archaic) The kidneys. / The lower part of the back. / The loins.

simple past tense and past participle of rein