峡谷
Gulch \Gulch\, n. 1. Act of gulching or gulping. [Obs.] 2. A glutton. [Obs.] --B. Jonson. 3. A ravine, or part of the deep bed of a torrent when dry; a gully. Gulch \Gulch\, v. t. [OE. gulchen; cf. dial. Sw. g["o]lka to gulch, D. gulzig greedy, or E. gulp.] To swallow greedily; to gulp down. [Obs.]
gulch n : a narrow gorge with a stream running through it [syn: {flume}]