Definition of valley :
1. The depression formed by the meeting of two slopes on a flat roof.
2. 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.
3. 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.
coomb, basin, box canyon, dene, gorge, dell, channel, notch, canyon, col, lowland, cum, glen, depression, plain, gulch, valley floor, hollow, trough, ravine, dale, swale, gap, stream valley, gulley, river valley, coulee, arroyo, vale, river bottom
- " There was no town that would answer the purpose, and the place that suited best was Valley Forge on the Schuylkill River, twenty- one miles above Philadelphia. - "Mildred's New Daughter", Martha Finley.
- From where we are you cross the valley to the mountain. - "They of the High Trails", Hamlin Garland.
- He plunged into a little valley on the farther side, up another slope. - "The Mad Planet", Murray Leinster.