/ Dictionary / Index V vertical angle: Meaning and Definition of Find definitions for: ver'tical an'gle Pronunciation: [key] — Geom. Geom. one of two opposite and equal angles formed by the intersection of two lines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vertical vertical circle Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language