
Crupper
    
    WordNet
        noun
(1)   A strap from the back of a saddle passing under the horse's tail; prevents saddle from slipping forward
        WiktionaryText
        Etymology
Anglo-Norman cropere, from Old French cropiere, from the same Germanic base as croup.
Noun
-  A strap used to stop a saddle from slipping.
-  1784 —Alonzo Fernandez de Avellaneda, A continuation of the history and adventures of the renowned Don Quixote de la Mancha, tr. William Augustus Yardley, The Novelist's Magazine volume 16, page 112.
- he eſpied a mule's crupper, which hung to the ceiling of the room; this he took down, and tendering it to Don Quixote, went on, ſaying...
 
 -  1882 — Edmondo de Amicis, Morocco: Its People & Places, tr. C. Rollin-Tilton
- I sought among the mules one with a mild expression of generosity and gentleness in its eyes, and found it in a white mule with a crupper adorned with arabesques.
 
 
 -  1784 —Alonzo Fernandez de Avellaneda, A continuation of the history and adventures of the renowned Don Quixote de la Mancha, tr. William Augustus Yardley, The Novelist's Magazine volume 16, page 112.
 - The buttocks or rump, especially of a horse.
 - A piece of armour covering the hindquarters of a horse.
 

