A reverse; a rebuff. Scottish.
1721. The people of God have got many backsets.Wodrow, Hist., ii. 555. (N.E.D.)
1816. Many, he feared, were without the requisite surplus capital or skill to meet the present crisis. Should such prove to be the fact, it would give a back set, and might, to a great extent, endanger their ultimate success.J. C. Calhoun, Works, ii. 170 (N.E.D.)