rein

noun

Either of two long narrow straps attached to each end of the bit of a bridle and used by a rider or driver to control a horse or other animal.

noun

A means of restraining or checking.

noun

A means of controlling or directing.

intransitive verb

To check or hold back by the use of reins. Often used with in or up.

intransitive verb

To restrain or control. Often used with in.

intransitive verb

To control a horse, for example, with reins. Often used with in or up.

idiom

(draw rein) To stop a horse, for example, by pulling on the reins.

idiom

(draw in the reins) To slow down or stop a horse or other animal by putting pressure on the reins.

idiom

(draw in the reins) To restrain or control.

idiom

(free/full) To release from restraints; allow to go unchecked.