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- A long, deep, relatively narrow steep-sided valley confined between lofty and precipitous walls in a plateau or mountainous area, often with a stream at the bottom; similar to, but larger than, a gorge. It is characteristic of an arid or semiarid area (such as the Western United States) where stream downcutting greatly exceeds weathering; e.g., the Grand Canyon. AGI
- Any valley in a region where canyons abound. Etymol: anglicized form of American Spanish canon. CF: canada
- A precipitous valley; a gorge. Also spelled canon.
- Mex. A mine-level drift or gallery.
Source: Dictionary of Mining, Mineral, and Related Terms