Definitions

1. verb

to raise the grade of something, especially land, by filling it up or removing earth from it

“The construction company had to regrade the land to build the new housing development.”

2. verb

to change the grade or level of something, especially a road or railway

“The city council decided to regrade the main street to improve drainage.”

3. noun

a new grade or level, especially of a road or railway

“The regrade on the highway made it much safer to drive at night.”