Also, the level line on which any work stands, as the foot of a pillar.
Level line mark for cannon, as point-blank, equal to 800 yards.
It dipped, and it rose, and then it darted on a level line toward the south.
A pale, level line of it cut across the scarp of the Big Hill.
XXXV., 145 and we must fill up the intervals between the semicircle so as to obtain a level line of ...