Whiles \Whiles\, adv. [See While, n., and -wards.]

1. Meanwhile; meantime. [R.]

The good knight whiles humming to himself the lay of some majored troubadour. --Sir. W. Scott.

2. sometimes; at times. [Scot.]

--Sir W. Scott.

The whiles. See under While, n.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Whiles \Whiles\, conj. During the time that; while. [Archaic] --Chaucer. Fuller.

Agree with thine adversary quickly, whiles thou art in the way with him. --Matt. v. 25.

Source: Webster's Revised Unabridged Dictionary (1913)