/ Dictionary / Index F fly rail: Meaning and Definition of Find definitions for: fly' rail" Pronunciation: [key] a horizontally swinging bracket for supporting a drop leaf. Also calledthe upper row of pins or cleats on a pin rail, used for tying off or fastening lines of scenery to be flied. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. flypast Fly River Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language