/ Dictionary / Index P postbellum: Meaning and Definition of Find definitions for: post•bel•lum Pronunciation: (pōst-bel'um), [key] — adj. occurring after a war, esp. after the American Civil War: postbellum reforms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. post-bag post-boat Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language