Noah Webster
Perpendicularly
PERPENDIC'ULARLY, adverb In a manner to fall on another line at right angles.
1. So as to fall on the plane of the horizon at right angles; in a direction towards the center of the earth or of gravity.
PERPENDIC'ULARLY, adverb In a manner to fall on another line at right angles.
1. So as to fall on the plane of the horizon at right angles; in a direction towards the center of the earth or of gravity.