rein

A strap or rope attached to a bridle or bit, used to control a horse, other animal or young child.

An instrument or means of curbing, restraining, or governing.

The government is attempting to keep a rein on rising prices.

Let their eyes rove without rein.

To direct or stop a horse by using reins.

He mounts and reins his horse.

To restrain; to control; to check.

Being once chafed, he cannot / Be reined again to temperance.

After an interval that he judged to have lasted twenty minutes, the bed began to shake with poorly reined sobs.

To obey directions given with the reins.

She worked each horse at a walk, trot, and then a canter. The horses reined well and executed stops quickly.

A surname from German.