A long tube-shaped bone in the lower leg of a horse or other large quadruped, between the fetlock and the knee or hock.
（马等大四足动物的）炮骨
Example sentencesExamples
Jason Oliver was tossed headfirst in front of Savage Cabbage when the horse broke a cannon bone and fell before skidding along the track with the jockey trapped under him.
Dual classic winner Afleet Alex was back on the track on Saturday, one day after his first gallop since suffering a hairline condylar fracture of the cannon bone in his left foreleg on July 27 at Belmont Park.
Mirage, suffering a fracture to his cannon bone and fetlock joint, was euthanized.
The third and fourth metapodials in fore and hind feet are fused to form a single bone, the cannon bone, which is considerably elongated.
Even stranger, while the hindfeet have a cannon bone, the third and fourth metacarpals of the forefeet are either unfused or only partially fused.
Definition of cannon bone in US English:
cannon bone
nounˈkanən bōn
A long tube-shaped bone in the lower leg of a horse or other large quadruped, between the fetlock and the knee or hock.
（马等大四足动物的）炮骨
Example sentencesExamples
Mirage, suffering a fracture to his cannon bone and fetlock joint, was euthanized.
Dual classic winner Afleet Alex was back on the track on Saturday, one day after his first gallop since suffering a hairline condylar fracture of the cannon bone in his left foreleg on July 27 at Belmont Park.
Even stranger, while the hindfeet have a cannon bone, the third and fourth metacarpals of the forefeet are either unfused or only partially fused.
Jason Oliver was tossed headfirst in front of Savage Cabbage when the horse broke a cannon bone and fell before skidding along the track with the jockey trapped under him.
The third and fourth metapodials in fore and hind feet are fused to form a single bone, the cannon bone, which is considerably elongated.