We found 15 dictionaries that define the word card shark:

General (13 matching dictionaries)

1. card shark: Merriam-Webster
2. card shark: Oxford Learner's Dictionaries
3. card shark: Vocabulary.com
4. card shark: The Wordsmyth English Dictionary-Thesaurus
5. card shark: Infoplease Dictionary
6. card shark: Dictionary.com
7. Card shark: Wikipedia, the Free Encyclopedia
8. card shark: Rhymezone
9. card shark: FreeDictionary.org
10. card shark: Mnemonic Dictionary
11. card shark: TheFreeDictionary.com
12. card shark: Wiktionary

Computing (1 matching dictionary)

13. card shark: Encyclopedia

Slang (1 matching dictionary)

14. card shark: Urban Dictionary

(Note: See card_sharks as well.)

Definitions from Wiktionary (Card shark) ▸ noun:  Alternative form of cardshark [(chiefly US) Eggcorn of cardsharp.] Opposite: card novice, card amateur, card beginner ▸ Words similar to card shark ▸ Usage examples for card shark ▸ Idioms related to card shark ▸ Wikipedia articles (New!) ▸ Words that often appear near card shark ▸ Rhymes of card shark ▸ Invented words related to card shark