I. ˈhwī(ə)lst also ˈwī- conjunction
Etymology: Middle English whilest, alteration of whiles (I)
1. chiefly Britain : while 1, 3, 4
2. archaic : until
II. noun
Etymology: Middle English (northern dialect) quilest, from Middle English (northern dialect) quilest, Middle English whilest, conjunction
archaic : while