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