/ Dictionary / Index D dook: Meaning and Definition of Find definitions for: dook Pronunciation: (dk), [key] — n. plug (def. 17). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. doohickey doolie Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language