Definitions of valley

1. 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.

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 depression formed by the meeting of two slopes on a flat roof.

4. Low land between hills or mountains.

5. A vale or low land between hills or mountains: a low, extended plain, usually watered by a river:- pl. VALLEYS.

6. A depression between hills.

7. A tract of low- lying land bounded by hills or mountain- ranges; in arch., the gutter or internal angle formed by the two inclined sides of a roof.