فيأ 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.

• فَآءَ Form 1

  1 فَآءَ ذ , aor. يَفِىْءُ, inf. n. فَىْءٌ (S, O, Msb) and فُيُوْءٌ, (O,) He (a man, Msb) returned; (S, O, Msb;) and so , and : (M, TA:) فَىْءٌ, as also and , [or the former of these, accord. to analogy, is an inf. n. of…

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• فيّأ Form 2

  2 فيّأ الظِلَّ ذ , and He (God) made the shade to return [in the afternoon]. (El-Khafájee, MF, TA.) -A2- قَيَّأَت said of a tree: see 1, near the end. -b2- Said of the wind, It put in motion the seed-produce, or standing…

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