Also found in: Dictionary, Encyclopedia, Wikipedia.
On the same level. Typically said of streets and railroad tracks. A: "Is the train station up on the hill? Because I don't know that I can make it all the way up there!" B: "No, don't worry, the station is at grade with the street."
See also: grade
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.