TRAM

Tram (?), n. [[Prov. E. tram a coal wagon, the shaft of a cart or carriage, a beam or bar; probably of Scand, origin; cf. OSw. tråm, trum, a beam, OD. drom, Prov. & OHG. tram.]] 1. 1. A four-wheeled truck running on rails, and used in a mine, as for carrying coal or ore.
2. 2. The shaft of a cart. De Quincey.
3. 3. One of the rails of a tramway.
4. 4. A car on a horse railroad.
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.