/ Dictionary / Index T taphole: Meaning and Definition of Find definitions for: tap•hole Pronunciation: (tap'hōl"), [key] — n. Metall. a hole in a blast furnace, steelmaking furnace, etc., through which molten metal or slag is tapped off. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Taphiae taphonomy Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language