/ Dictionary / Index A acoasm: Meaning and Definition of Find definitions for: ac•o•asm Pronunciation: (ak'ō-az"um), [key] — n. acouasm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acne rosacea acock Related Content Daily Word Quiz: pedagogy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language