Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
a valley that has a river that is usually dry except when it has rained, common in desert areas of North Africa and Western Asia
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions