also wa·dy W0003400 (wä′dē)n.pl.wa·dis also wa·dies1. a. A valley, gully, or streambed in northern Africa and southwest Asia that remains dry except during the rainy season.b. A stream that flows through such a channel.2. An oasis.[Arabic wādi; see wdy in Semitic roots.]
wady
wadi
, wady a watercourse in N Africa and Arabia, dry except in the rainy season