/ Dictionary / Index L Lumumba: Meaning and Definition of Find definitions for: Lu•mum•ba Pronunciation: (loo-moom'bu), [key] 1925–61, African political leader: premier of the Democratic Republic of the Congo (now Zaire) 1960–61. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lumpy jaw Luna Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language