/ Dictionary / Index H hachoo: Meaning and Definition of Find definitions for: ha•choo Pronunciation: (hä-ch'), [key] — interj. ahchoo. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Hachioji hachure Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language