Dictionary.net

• The shank bone, or great bone above the fetlock, in the fore and hind legs of the horse and allied animals, corresponding to the middle metacarpal or metatarsal bone of most mammals. See Horse.

2010 - New Age Dictionary Database
By Oddity Software

• The shank bone, or great bone above the fetlock, in the fore and hind legs of the horse and allied animals, corresponding to the middle metacarpal or metatarsal bone of most mammals. See Horse.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.