Breadcrumb Home > Dictionary > Index A achoo: Meaning and Definition of Find definitions for: a•choo Pronunciation: (ä-ch'), [key] — interj. ahchoo. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. achondroplasia achroite ✖ Related Content Daily Word Quiz: quadrumanous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language