/ Dictionary / Index A accompaniment: Meaning and Definition of Find definitions for: ac•com•pa•ni•ment Pronunciation: (u-kum'pu-ni-munt, u-kump'ni-), [key] — n. something incidental or added for ornament, symmetry, etc. a part in a composition designed to serve as background and support for more important parts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: accompaniment (Thesaurus) accommodator accompanist Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language