plural of rein hook

A rein for preventing a horse from running away.

plural of safety rein

(history) Synonym of Second Reich / (formal, history) Synonym of Weimar Republic / (formal, history) Synonym of Third Reich

To slacken the speed, or stop entirely, when riding a horse.

A glacial lake in Western Canada, located on the border between northeastern Saskatchewan and northwestern Manitoba.

(idiomatic) To be the most important or most prevalent.

Third-person singular simple present indicative form of keep a tight rein on

To exercise strict control over; keep in check.

(formal, history) The Third Reich’s official name from 1943 to 1945. / (history, informal) The Third Reich since March 12, 1938.