نَضَا الخَيْلَ He outstripped the other horses: see تَجَرَّدَ.

نِضْوٌ A lean, or emaciated, camel: fem. with ة {نِضْوَةٌ}. (Ṣ, Mṣb, Ḳ.) نِصْوُ سَفَرٍ [Lean, or emaciated by journeying]; applied to a beast. (TA, in رجع.)