- A straight line at 90 degrees to a surface - April & Prudence managed to appear upright - Sheer crazy under a clipper! - The sort of line that provides just the right angle - Exactly upright or vertical; pointing to the zenith;
at right angles to the plane of the horizon; extending in a right line
from any point toward the center of the earth. - At right angles to a given line or surface; as, the
line ad is perpendicular to the line bc. - A line at right angles to the plane of the horizon;
a vertical line or direction.
- In Greek choruses and dances, the returning of the
chorus, exactly answering to a previous strophe or movement from right
to left. Hence: The lines of this part of the choral song. - The repetition of words in an inverse order; as, the
master of the servant and the servant of the master. - The retort or turning of an adversary's plea against
him.