01 n. The act or operation of making level.
-
1.
The act or operation of making level.
-
2.
The art or operation of using a leveling instrument for finding a horizontal line, for ascertaining the differences of level between different points of the earth's surface included in a survey, for establishing grades, etc., as in finding the descent of a river, or locating a line of railroad.(Surveying)
Phrases & compounds
Leveling staff —
a graduated rod or staff used in connection with a leveling instrument for measuring differences of level between points.