crupper /krupˈər/

1. A strap of leather fastened to the saddle and passing under the horse's tail to keep the saddle in its place
2. The hind part of a horse

• knocker
• knockers
• knocker-up
• knocker-ups
• knock-for-knock agreement
• knock-for-knock policy
• knock for six
• knocking
• knocking copies
• knocking copy
• knockings
• knocking shop
• knocking-shop
• knocking shops
• knocking-shops
• knock into a cocked hat
• knock into the middle of next week
• knock-knee
• knock-kneed
• knock-knees
• knock off
• knock on
• knock-on
• knock-on effect
• knock one's head against a brick wall