نفض 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.

• نَفَضَ Form 1

  1 نَفَضَ ذ , (S, A, Mgh, Msb, K,) aor. نَفُضَ , (S, Msb,) inf. n. نَفْضٌ, (S, Mgh, Msb,) He shook (S, A, Mgh, Msb, K) a thing, (Mgh, Msb,) or a garment, or piece of cloth, (S, A, K,) in order that what was upon it, of du…

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• نفّض Form 2

  2 نفّض ذ , (S, TA,) inf. n. تَنْفِيضٌ, (TA,) He shook a garment, or piece of cloth, and a tree, much, or vehemently, in order that what was upon it might fall off. (S, TA. *) -b2- Said of a horse, i. q. رَفَّضَ, q. v. (T…

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• نَفَضٌ

  نَفَضٌ ذ What has fallen, of the produce of a tree; (TA;) what has fallen, of leaves, and of fruit: (S, Msb, K:) or a thing that one shakes [or has shaken] off: (T in art. ذرى:) of the measure فَعَلٌ in the sense of the …

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