/ Dictionary / Index C ck.: Meaning and Definition of Find definitions for: ck. Pronunciation: [key] cask. check. cook. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. CJ ckw. Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language