Meaning of vanishing point

van'ishing point"

Pronunciation: [key]
  1. a point of disappearance, cessation, or extinction: His patience had reached the vanishing point.
  2. (in the study of perspective in art) that point toward which receding parallel lines appear to converge.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.