a deep valley with steep sides, often with a stream flowing through it.
a town in N Texas.
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a gorge or ravine, esp in North America, usually formed by the down-cutting of a river in a dry area where there is insufficient rainfall to erode the sides of the valley
A long, deep, narrow valley with steep cliff walls, cut into the Earth by running water and often having a stream at the bottom.
a canyon in NE Arizona, in the Navajo reservation: site contains prehistoric cliff dwellings.
a nocturnal, down-canyon flow of air caused by the cooling of the canyon walls. Compare valley wind. a wind modified in direction and speed by being forced to blow through a canyon or gorge.
noun the sport of travelling down a river situated in a canyon by a variety of means including scrambling, floating, swimming, and abseiling noun Usage Note
a national park in SE Utah, at the junction of the Colorado and Green rivers: site of geologic interest. 527 sq. mi. (1366 sq. km).