from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The hindquarters or the rump of a horse, a strap under the girth of a horse's saddle to stop the saddle from kicking forward
- n. The rump, the posterior.
from The Century Dictionary and Cyclopedia
- n. The crupper; the buttocks.
Knox's colleague, had given in and was speaking hotly against those who held out; that even the redoubtable John Durie had 'cracked his curple'  at last; and that the pulpits of Edinburgh were silent, except a very few 'who sigh and sob under the Cross.'