Valley
VAL'LEY, noun plural valleys. [Latin vallis. See Vale.]
1. A hollow or low tract of land between hills or mountains.
2. A low extended plain, usually alluvial, penetrated or washed by a river. The valley of the Connecticut is remarkable for its fertility and beauty.
Ye mountains, sink; ye valleys, rise; prepare the Lord his way.
3. In building, a gutter over the sleepers in the roof of a building.