/ Dictionary / Index A acid house: Meaning and Definition of Find definitions for: ac'id house" Pronunciation: [key] a style of disco music marked by heavy bass and synthesizer rhythms, often associated with the taking of LSD and MDMA. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acid-head acidic Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language