<p><strong>Noun</strong></p><ul><li>The part of the foot of a horse, cow, etc., between the fetlock and the hoof.</li><li>Either of the two bones of this part, the upper or first phalanx (great pastern bone, or fetter bone) and the lower or second phalanx (small pastern bone), between which is a joint (pastern joint).</li></ul><p><strong>End of Response</strong></p>