Hol″low (?), n. 1. A cavity, natural or artificial; an unfilled space within anything; a hole, a cavern; an excavation; as the hollow of the hand or of a tree.
2. A low spot surrounded by elevations; a depressed part of a surface; a concavity; a channel.
Forests grew
Upon the barren hollows. Prior.
I hate the dreadful hollow behind the little wood. Tennyson.