/ Dictionary / Index F Frise aileron: Meaning and Definition of Find definitions for: Frise' ai"leron Pronunciation: (frēz), [key] — Aeron. Aeron. an aircraft wing control surface designed with its leading edge extending forward of its axis of rotation so that when the aileron's trailing edge is raised the leading edge extends below the bottom surface of the wing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. frisé frisette Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language