antiparallel lines

antiparallel lines

[‚an·tē‚par·ə‚lel ′līnz]
(mathematics)
Two lines that make equal angles in opposite order with two specified lines.
References in classic literature ?
Then, falling upon his knees, he prayed Heaven to spare him from such deeds; and rather to will that he should die at once, than be reserved for crimes, so fearful and appaling.