wadi(redirected from Rivier)
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a watercourse in N Africa and Arabia, dry except in the rainy season
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
the Arabic name for dry valleys that from time to time fill with streams in the Sahara and on the Arabian Peninsula. A wadi can reach several hundred kilometers in length. Its bed is covered with proluvium.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
In the desert regions of southwestern Asia and northern Africa, a stream bed or channel, or a steep-sided ravine, gulley, or valley, which carries water only during the rainy season. Also spelled wady.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.