/ Dictionary / Index V visible horizon: Meaning and Definition of Find definitions for: vis'ible hori'zon Pronunciation: [key] horizon (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. visible visible spectrum Related Content Daily Word Quiz: divulge Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language