Tram n.
1. A four-wheeled truck running on rails, and used in a mine, as for carrying coal or ore.
2. The shaft of a cart. [Prov. Eng.]
3. One of the rails of a tramway.
4. A car on a horse railroad. [Eng.]
Tram car, a car made to run on a tramway, especially a street railway car.
Tram plate, a flat piece of iron laid down as a rail.
Tram pot Milling, the step and support for the lower end of the spindle of a millstone.