/ Dictionary / Index E essoin: Meaning and Definition of Find definitions for: es•soin Pronunciation: (i-soin'), [key] — n. (in England) an excuse for nonappearance in a court of law at the prescribed time. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. essive essonite Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language