Trolley
Trolley , noun
(a)
(Machinery) A form of truck which can be tilted, for carrying railroad materials, or the like.
(b)
(Machinery) A narrow cart that is pushed by hand or drawn by an animal.
(c)
(Machinery) A truck from which the load is suspended in some kinds of cranes.
(d)
(Machinery) A truck which travels along the fixed conductors, and forms a means of connection between them and a railway car. [English]
Also: Trolly