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Related to cannon bone: splint bone
A supporting bone of the leg in some hoofed mammals, analogous to the metacarpus of the hand or the metatarsus of the foot in humans.
(Anatomy) a bone in the legs of horses and other hoofed animals consisting of greatly elongated fused metatarsals or metacarpals
the greatly developed middle metacarpal or metatarsal bone of hoofed mammals, extending from the hock to the fetlock.
[1825–35; cannon in obsolete sense “tube”]
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|Noun||1.||cannon bone - greatly developed metatarsal or metacarpal bone in the shank or cannon part of the leg in hoofed mammals|