Breadcrumb Home > Dictionary > Index C chiack: Meaning and Definition of Find definitions for: chi•ack Pronunciation: (chī'uk), [key] — v.t. Australian. to jeer at; tease; deride. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chia Chiai ✖ Related Content Daily Word Quiz: sophism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language