We found 3 dictionaries that define the word draw reins:

General (2 matching dictionaries)

1. draw reins: Oxford Learner's Dictionaries
2. Draw reins: TheFreeDictionary.com

Business (1 matching dictionary)

3. Draw reins: Legal dictionary

(Note: See draw_rein as well.)

Definitions from Wiktionary (draw rein) ▸ verb:  To slacken the speed, or stop entirely, when riding a horse. ▸ Also see draw_rein ▸ Words similar to draw reins ▸ Usage examples for draw reins ▸ Idioms related to draw reins ▸ Wikipedia articles (New!) ▸ Words that often appear near draw reins ▸ Rhymes of draw reins ▸ Invented words related to draw reins