/ Dictionary / Index H hoactzin: Meaning and Definition of Find definitions for: ho•ac•tzin Pronunciation: (hō-akt'sin, wäkt'sin), [key] — n. hoatzin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hoactzin (Thesaurus) Hoabinhian Hoad Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language