• (n.) Meanwhile; meantime. • (n.) sometimes; at times. • (conj.) During the time that; while.
Whiles adverb [ See While , noun , 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...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. 
sometimes.