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Webster 1828 Edition

ppr.

Drawing on the ground; drawing with labor or by force; drawing slowly or heavily; raking with a drag.

dragging

dragging ‎(plural draggings)

An instance of something being dragged.
- 1914, Charles Edward Morrison, Earth Roads, page 24:
  As a result, after the first few draggings it is found that the surface becomes constantly smoother and harder and little rain remains on the roadway