Drive Out

When a compositor sets wide, he is said to drive out or run out. In founding, if letter be cast too thick in the shank, it drives out. — M.
If copy make more than was calculated on, they say, it drives out; if less, and it is intended that it shall make the precise quantity decided on, they say, you must drive out; that is, it must be branched out in proportion, and not cramped.