نخر doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 2 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• نَخَرَ Form 1

  1 نَخَرَ ذ , (S, A, Msb, K,) aor. نَخُرَ (S, Msb, K) and نَخِرَ , (S, K,) inf. n. نَخِيرٌ, (S, A, Msb, K,) and نَخْرٌ, (CK, but omitted in MS. copies of the K,) said of a horse, (As, TA,) and of an ass, (A, TA,) and of a…

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• نَخِرٌ

  نَخِرٌ ذ (S, Msb, K) and (Msb, K) A bone, (S, Msb,) and wood, (TA,) old and wasted and crumbling; (S, Msb, K;) old and wasted and soft, crumbling when touched: (TA:) fem. of each with ة: (K:) or the former signifies a bo…

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