The funny bone; the ulnar nerve in the elbow.

plural of crazy bone

Alternative form of aitchbone

Alternative form of aitchbone

(idiomatic, of a habit, trait, belief, etc.) Firmly established or instilled; deep-seated. / (idiomatic, of a person) Inveterate or habitual; long-standing.

plural of sit bone

Either of the two ischial tuberosities.

One of the rudimentary, splint-like metacarpal or metatarsal bones on either side of the cannon bone in the limbs of the horse and related animals.

plural of splint bone

plural of haunch bone