نكس

مُنَكِّسٌ ذ A horse that does not raise, or elevate, his head, (S, IF, K,) nor his neck, when running, by reason of weakness: (IF, K:) or that has not reached the other horses (Lth, K) in their heat, or single run to a goal; (Lth;) i. e., by reason of his weakness and impotence; as also ↓ نِكْسٌ. (TA.)