n. The part of a horse's foot which corresponds to the extent of the pastern-bones. more particularly of the great pastern-bone, which occupies most of the extent between the fetlock-joint and the coronet of the hoof.n. A shackle placed on a horse's pastern while pasturing; a hobble or hobbles; a clog; a tether.n. That part of a dog's foot just above the toes, or the metacarpals and metatarsals. Anatomically this corresponds to the palm of the hand and solo of the foot in man, or to the cannon-bone in a horse.