/ Dictionary / Index E elevon: Meaning and Definition of Find definitions for: el•e•von Pronunciation: (el'u-von"), [key] — n. Aeron. a control surface functioning both as an elevator and as an aileron. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. eleventh hour elf 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