/ Dictionary / Index F flight line: Meaning and Definition of Find definitions for: flight' line" Pronunciation: [key] an area for the servicing and maintenance of airplanes that includes parking ramps and hangars. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. flightless flight nurse Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language