DCHP-1 Online
high-grade ((2)) ((v.)) 2 
v. in road making, build on a bed of ballast and so grade as to shed water.
- 1958 Even in prosperous communities it was another twenty or thirty years before such roads were "high graded" and partially gravelled.
- 1958 Even in prosperous communities it was another twenty or thirty years before such roads were "high graded" and partially gravelled.