نغر doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 3 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• نَغِرَتِ Form 1

  1 نَغِرَتِ القِدْرُ ذ , (S, K, TA,) aor. نَغَرَ ; and نَغَرَت (K, and so in a copy of the A,) aor. نَغِرَ ; and نَغَرَت, aor. نَغَرَ ; (K;) inf. n. نَغَرٌ (IKtt, K) [of the first] and نَغْرٌ (IKtt, TA) and نَغَرَانٌ (K, …

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• نَغِرٌ

  نَغِرٌ ذ (tropical:) [Angry or vehemently or most vehemently angry, or affected with latent anger without power to exercise it: as is implied in the S: or] having his inside boiling by reason of anger: (S, * K:) and [it …

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• نُغَرٌ

  نُغَرٌ ذ Certain birds like sparrows, (S,) or a species of sparrows, (Msb,) with red beaks: (S, Msb:) n. un. with ة: (S:) or the young ones of sparrows: (K:) n. un. as above: (TA:) or the young ones of the sparrows; (Sh,…

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