WADI - an Arabic term for valley that sometimes specifically refers to a dry riverbed.
An American word for a rocky ravine or dry watercourse is "arroyo."
WADI - an Arabic term refers to a dry riverbed. Or, in the Americas, it is called an arroyo.
Arid is another word for extremely dry.
dry
beer
blot
Arroyo is a Spanish word that means "dry streambed", or "watercourse".The European settlers named this arroyo Dry Gulch, but the natives still call it Arroyo Seco.
"Sere" means dry, arid, withered.
I would guess, "arid"?
Dry bed or river bed
There are two words that fit your search....Dune or Wash.
depleted