Emily Dickinson Lexicon

VAL'LEY, n. [plur. Valleys. Fr. vallée; L. 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. – Watts.
3. In building, a gutter over the sleepers in the roof of a building. – Cyc.