/ Dictionary / Index A aileron roll: Meaning and Definition of Find definitions for: ai'leron roll" Pronunciation: [key] — Aeron. Aeron. a roll consisting of one or more rotations, usually controlled by the use of ailerons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aileron ailette Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language