card ‧ shark /ˈkɑːdʃɑːk $ ˈkɑːrdʃɑːrk/ BrE AmE ( also card‧sharp /ˈkɑːdʃɑːp $ ˈkɑːrdʃɑːrp/ British English ) noun [countable]
someone who cheats when playing cards in order to make money
card ‧ shark /ˈkɑːdʃɑːk $ ˈkɑːrdʃɑːrk/ BrE AmE ( also card‧sharp /ˈkɑːdʃɑːp $ ˈkɑːrdʃɑːrp/ British English ) noun [countable]
someone who cheats when playing cards in order to make money
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012