/ Dictionary / Index A airspeed: Meaning and Definition of Find definitions for: air•speed Pronunciation: (âr'spēd"), [key] — n. the forward speed of an aircraft relative to the air through which it moves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: airspeed (Thesaurus) air space airspeed indicator Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language