- (n.) The space inclosed between ranges of hills or mountains; the strip of land at the bottom of the depressions intersecting a country, including usually the bed of a stream, with frequently broad alluvial plains on one or both sides of the stream. Also used figuratively.
- (n.) The depression formed by the meeting of two slopes on a flat roof.
- (n.) The place of meeting of two slopes of a roof, which have their plates running in different directions, and form on the plan a reentrant angle.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). valley. Retrieved September 22, 2026, from http://smartdefine.org/valley/definitions/2078642 |
| Chicago | Webster's. 2011. "valley" http://smartdefine.org/valley/definitions/2078642 (accessed September 22, 2026). |
| Harvard | Webster's 2011, valley, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/valley/definitions/2078642>. |
| MLA | Webster's. "valley" 28 May 2011. Web. 22 September 2026. <http://smartdefine.org/valley/definitions/2078642> |