[{"Bold_text": "noun", "List Items": ["trolley car trolley car.", "a pulley or truck traveling on an overhead track and serving to support and move a suspended object.", "a grooved metallic wheel or pulley carried on the end of a poletrol?ley pole?by an electric car or locomotive, and held in contact with an overhead conductor, usually a suspended wiretrol?ley wire?,from which it collects the current for the propulsion of the car or locomotive.", "any of various devices for collecting current for such a purpose, as a pantograph, or a bowlike structurebow trolleysliding along an overhead wire, or a deviceunderground trolleyfor taking current from the underground wire or conductor used by some electric railways.", "a small truck or car operated on a track, as in a mine or factory.", "a serving cart, as one used to serve desserts.", "Chiefly British.any of various low carts or vehicles, as a railway handcar or costermonger's cart."]}, {"Bold_text": "verb (used with or without object)", "List Items": ["to convey or go by trolley."]}]