n.
Pronunciation: ' set- ˌ bak
Function: noun
Date: 1674
1 : a checking of progress
2 : DEFEAT , REVERSE
3 : 4 PITCH 7
4 : a placing of a face of a building on a line some distance to the rear of the building line or of the wall below also : the area produced by a setback
5 : automatic scheduled adjustment to a lower temperature setting of a thermostat
6 : the distance of a structure or other feature (as a well or septic system) from the property line or other feature