The part, of a beast, where one strikes him with the foot, or leg, (K, TA,) when putting him in motion for the purpose of [his] running: (TA:) the two such parts are termed the مَرْكَلَانِ: and the plural is مَرَاكِلُ. (S, TA.)
2.
And A road: (S, K:) because it is beaten with the foot. (TA.)