What does the word rein mean?

Usage examples for rein

  1. I hope you will remember that she is headstrong and keep a tight rein over her. – Those Dale Girls by Frank Weston Carruth
  2. Now the Black Knight drew rein and said: Shall we rest, lady, and eat? – The Water of the Wondrous Isles by William Morris
  3. He had gone some distance when he suddenly drew rein. – The Courier of the Ozarks by Byron A. Dunn