/ Dictionary / Index S sexfoil: Meaning and Definition of Find definitions for: sex•foil Pronunciation: (seks'foil"), [key] — n. a round ornament consisting of six lobes divided by cusps. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sexennial sex hormone Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language