/ Dictionary / Index A airspeed indicator: Meaning and Definition of Find definitions for: air'speed in"dicator Pronunciation: [key] — Aeron. Aeron. a flight instrument showing the airspeed of an aircraft. Abbr.: ASI Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. airspeed air-spray 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