[{"Bold_text": "noun", "List Items": ["any of numerous small, wingless bloodsucking insects of the order Siphonaptera, parasitic upon mammals and birds and noted for their ability to leap.", "either of two common fleas of the genus Ctenocephalides,the very small, black C. feliscat flea or the similar but larger C. canisdog flea, both of which infest cats, dogs, and occasionally humans.", "any of various small beetles and crustaceans that leap like a flea or swim in a jumpy manner, as the water flea water fleaand beach flea beach flea."]}]