'Trolley' definitions:

Definition of 'trolley'

From: WordNet
noun
A wheeled vehicle that runs on rails and is propelled by electricity [syn: streetcar, tram, tramcar, trolley, trolley car]

Definition of 'Trolley'

From: GCIDE
  • Trolley \Trol"ley\, Trolly \Trol"ly\, n. (a) A form of truck which can be tilted, for carrying railroad materials, or the like. [Eng.] (b) A narrow cart that is pushed by hand or drawn by an animal. [Eng.] (c) (Mach.) A truck from which the load is suspended in some kinds of cranes. (d) (Electric Railway) A truck which travels along the fixed conductors, and forms a means of connection between them and a railway car. (e) A trolley car. [1913 Webster]