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Related to backset: lock backset
1. A setback or reversal.
2. An eddy or countercurrent in water.
1. a setback; a reversal
2. carpentry the distance between the edge of a door and the point at which the door handle is attached
3. military to attack from the rear
4. agriculture US to plough, in the autumn, for the second time, prairie land which was newly ploughed the previous spring