/ Dictionary / Index V Venn diagram: Meaning and Definition of Find definitions for: Venn' di"agram Pronunciation: (ven), [key] — Math., Math.,Symbolic Logic. a diagram that uses circles to represent sets and their relationships. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Venlo veno- Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language