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

simple past tense and past participle of rein

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

plural of Rein

Third-person singular simple present indicative form of rein in

simple past tense and past participle of rein in

Loose rein(s), as of a horse. / (figuratively) The absence of constraints; freedom to make decisions.

(idiomatic) Synonym of take control.

A piece of cotton or nylon webbing, usually around 25mm wide by about 20 metres (or longer) in length, attached with a swivel to the bridle, lungeing cavesson, or headcollar of a horse to provide control while exercising or training it.

plural of lungeing rein