/ Dictionary / Index S souvenir sheet: Meaning and Definition of Find definitions for: souvenir' sheet" Pronunciation: [key] — Philately. Philately. a single stamp or a pair, block, or set of stamps having the same or different designs commemorating a stamp exhibition or other event and having inscriptions in one or all four margins. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. souvenir souvlaki 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