/ Dictionary / Index T tonk: Meaning and Definition of Find definitions for: tonk Pronunciation: (tongk), [key] — n. a form of rummy for two or more players with deuces wild. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tonight tonka bean Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language