نفاث 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.

• نُفَاثٌ

  مِئْنَاثٌ كَأَنَّهَا نُفَاثٌ ذ [A plain land that produces many plants, or herbs, or much herbage,] as though blowing forth, or spitting forth, the pleats, or herbs. (L, from a trad.) [The correctness of نُفَاثٌ is quest…

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• نَفَّاثٌ

  نَفَّاثٌ ذ An enchanter; one who is in the habit of enchanting: fem. with ة. (Msb.) -b2- النَّفَّاثَاتُ فِى العُقَدِ [Kur, cxiii. 4,] The women who blow, without spitting, saying something at the same time, upon the knot…

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