The Collaborative International Dictionary of English v.0.48:

Whiles \Whiles\, adv. [See While, n., and -wards.]
   1. Meanwhile; meantime. [R.]
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            The good knight whiles humming to himself the lay of
            some majored troubadour.              --Sir. W.
                                                  Scott.
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   2. sometimes; at times. [Scot.] --Sir W. Scott.
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   The whiles. See under While, n.
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The Collaborative International Dictionary of English v.0.48:

Whiles \Whiles\, conj.
   During the time that; while. [Archaic] --Chaucer. Fuller.
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         Agree with thine adversary quickly, whiles thou art in
         the way with him.                        --Matt. v. 25.
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