ˈ ̷ ̷ˌ ̷ ̷ noun
1. : the lateral part of the hipbone of a fowl easily separable from the backbone in carving
2.
a. also sidebones plural but singular in construction : abnormal ossification of the cartilages in the lateral posterior part of a horse's hoof (as of a forefoot) often causing lameness
b. : one of the bony structures so caused