/ Dictionary / Index V vamphorn: Meaning and Definition of Find definitions for: vamp•horn Pronunciation: (vamp'hôrn"), [key] — n. a megaphone in use during the 18th and early 19th centuries for public address in church services. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vamp vampire Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language