Perpender :: Perpender (n.) A large stone reaching through a wall so as to appear on both sides of it, and acting as a binder; -- called also perbend, perpend stone, and perpent stone..
Perpendicular :: Perpendicular (a.) 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.
Perpendicular :: Perpendicular (a.) At right angles to a given line or surface; as, the line ad is perpendicular to the line bc..
Perpendicular :: Perpendicular (n.) A line at right angles to the plane of the horizon; a vertical line or direction.
Perpendicular :: Perpendicular (n.) A line or plane falling at right angles on another line or surface, or making equal angles with it on each side..
Perpendicularity :: Perpendicularity (n.) The quality or state of being perpendicular.
Perpendicularly :: Perpendicularly (adv.) In a perpendicular manner; vertically.
Perpetrable :: Perpetrable (a.) Capable of being perpetrated.
Perpetrate :: Perpetrate (v. t.) To do or perform; to carry through; to execute, commonly in a bad sense; to commit (as a crime, an offense); to be guilty of; as, to perpetrate a foul deed..
Perpetuate :: Perpetuate (v. t.) To make perpetual; to cause to endure, or to be continued, indefinitely; to preserve from extinction or oblivion; to eternize..
Perpetuate :: Perpetuate (a.) Made perpetual; perpetuated.