shark / ˈshärk
noun (1) any of a number of mostly marine fish belonging to subclass elasmobranch, ranging in size from a few inches to over 40 feet long, having a tough, dull-colored skin, and a predatory nature We provoke a shark every time we enter the water where sharks happen to be, for we forget: The ocean is not our territory – it’s theirs. Peter Benchley, 1940-2006 noun (2) a person who uses crafty means to gain things from others Mr. Blank's reputation as a card shark had preceded him. Groucho Marx, 1890-1977