/ Dictionary / Index E erron.: Meaning and Definition of Find definitions for: erron. Pronunciation: [key] erroneous. erroneously. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Errol erroneous Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language