/ Dictionary / Index A acousma: Meaning and Definition of Find definitions for: a•cous•ma Pronunciation: (u-kz'mu), [key] — pl. -mas, -ma•ta. acouasm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acousma (Thesaurus) acouasm acoustic Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language