ولى 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.

• وَلِيَهُ Form 1

  1 وَلِيَهُ ذ , (S, Msb, K,) and وَلِى عَلَيْهِ, (Msb, K,) inf. n. وِلَايَةٌ (S, Msb, K,) and وَلَايَةٌ, (K,) or the former is a simple subst., (TA,) and signifies the office, and authority, (K,) He held command or author…

  View in Lane's Lexicon →

• وَلَّى Form 2

  2 وَلَّى ذ He caused to turn away, or back. (Kur-án, ch. ii. v. 136.) -b2- He caused to turn towards, with acc. (Idem, ch. ii. v. 139.) -b3- He turned away, or departed. (TA.) -b4- وَلَّى عَنْهُ He turned away from, avoi…

  View in Lane's Lexicon →

• وَلِىٌّ

  وَلِىٌّ ذ The manager of a thing, or of the affairs of another: (Msb:) the guardian, or manager of the affairs, and maintainer, of an orphan: the guardian of a women, who affiances her, and independently of whom marriage…

  View in Lane's Lexicon →