/ Dictionary / Index K king devil: Meaning and Definition of Find definitions for: king' dev"il Pronunciation: [key] any of several European hawkweeds introduced into northeastern North America, where they are troublesome weeds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. kingcup kingdom Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language