/ Dictionary / Index S Sousa: Meaning and Definition of Find definitions for: Sou•sa Pronunciation: (s'zu, -su), [key] 1854–1932, U.S. band conductor and composer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sousa (Thesaurus) sourwood sousaphone Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language