/ Dictionary / Index C card shark: Meaning and Definition of Find definitions for: card' shark" Pronunciation: [key] an expert cardplayer. cardsharp. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cardroom cardsharp Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language