/ Dictionary / Index A a cappella: Meaning and Definition of Find definitions for: a cap•pel•la Pronunciation: (ä" ku-pel'uIt.ä" käp-pel'lä), [key] — Music. Music. without instrumental accompaniment. in the style of church or chapel music. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acapnia a capriccio Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language