- Flat-floored, vertically
walled channel of an intermittent stream typical of semiarid climates; often applied to
such features of southwestern United States. Synonymous with wadi and wash.
Source: Leet, L. Don. 1982.
Physical Geology, 6th Edition. Englewood Cliffs, NJ: Prentice-Hall
- a. A term applied in the arid and semiarid regions of the Southwestern
United States to the small, deep, flat-floored channel or gully of an
ephemeral stream, usually with vertical or steeply cut banks of
unconsolidated material at least 60 cm high; it is usually dry, but may be
transformed into a temporary watercourse or short-lived torrent after
heavy rainfall. CF: dry wash
b. The small intermittent stream or rivulet that occupies such a
channel.---Etymol: Spanish, stream, brook; gutter, watercourse of a
street. See also: wadi; nullah. AGI
Dictionary of Mining, Mineral, and Related Terms