Also found in: Thesaurus, Medical.
Related to splint bone: cannon bone
Either of two small metacarpal or metatarsal bones in horses or related animals.
(Zoology) one of the rudimentary metacarpal or metatarsal bones in horses and similar animals, occurring on each side of the cannon bone
one of a pair of rudimentary bones of the horse and allied animals, situated on either side of the shank at the back of the legs.