/ Dictionary / Index O outside loop: Meaning and Definition of Find definitions for: out'side loop' Pronunciation: [key] — Aeron. Aeron. a loop during which the back of the airplane is on the outer side of the curve described by the course of flight. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. outside forward outsider Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language