/ Dictionary / Index J jawbreaker: Meaning and Definition of Find definitions for: jaw•break•er Pronunciation: ( jô'brā"kur), [key] — n. a word that is hard to pronounce. a very hard, usually round, candy. Also calleda machine used to break up ore, consisting of a fixed plate and a hinged jaw moved by a toggle joint. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jawbreaker (Thesaurus) jawbone jawed Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language