3.The tarsal joint of the hind leg of a digitigrade quadruped, such as a horse, corresponding to the human ankle but bending in the opposite direction.
英
美
- 四足动物步法至少两只脚总是接触地面,尤指马的步法,四足以四拍的方式踏地,顺序为左后脚,左前脚,右后脚,右前脚