[{"Bold_text": "noun", "List Items": ["Anatomy, Zoology.a membranous sac or organ serving as a receptacle for a fluid or air. urinary bladder urinary bladder.", "a membranous sac or organ serving as a receptacle for a fluid or air.", "urinary bladder urinary bladder.", "Pathology.a vesicle, blister, cyst, etc., filled with fluid or air.", "Botany.an air-filled sac or float, as in certain seaweeds.", "something resembling a bladder, as the inflatable lining of a football or basketball.", "an air-filled sac, usually made to resemble a club, used for beatings in low comedy, vaudeville, or the like."]}]