/ Dictionary / Index F floss hole: Meaning and Definition of Find definitions for: floss' hole" Pronunciation: [key] — Metall. Metall. a hole in a puddling furnace for the removal of ash or slag. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. floss Flossie Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language