n. [ Back, adv. + set. ] 1. A check; a relapse; a discouragement; a setback. [ 1913 Webster ]

2. Whatever is thrown back in its course, as water. [ 1913 Webster ]

Slackwater, or the backset caused by the overflow. Harper's Mag. [ 1913 Webster ]

v. t. To plow again, in the fall; -- said of prairie land broken up in the spring. [ Western U.S. ] [ 1913 Webster ]

n. [ Back, a. + settler. ] One living in the back or outlying districts of a community. [ 1913 Webster ]

The English backsettlers of Leinster and Munster. Macaulay. [ 1913 Webster ]