طير 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.

• طَارَ Form 1

  1 طَارَ ذ , aor. يَطِيرُ, (S, Msb,) inf. n. طَيَرَانٌ (S, A, Msb, K) and طَيْرُورَةٌ (Lh, S, K, &c.) and طَيْرٌ, (K,) He (a winged creature) moved in the air by means of his wings; flew; (A, K;) moved in the air as a bea…

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• طَيْرٌ

  طَيْرٌ ذ : see طَائِرٌ, in seven places: -b2- and see also طَيْرَةٌ, in two places. -A2- طَيْرُ طَيْرُ, (O,) or طَيْرِ طَيْرِ, (TA,) is a cry by which a sheep or goat is called. (O, TA.)…

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