1. A streetcar.

2. A device that collects electric current from an underground conductor, an overhead wire, or a third rail and transmits it to the motor of an electric vehicle.

3. A small truck or car operating on a track and used in a mine, quarry, or factory for conveying materials.

4. A wheeled carriage, cage, or basket that is suspended from and travels on an overhead track.

5. Chiefly British A light cart designed to be moved by hand.