Trolley is used as a short for trolleybus as said in the article.
A trolley is the device connecting a car to electricity wires to feed the motor. A trolleybus or trolley bus is so called because it holds a trolley.
I do not see any entry telling what a trolley (the device) is.
If anyone knows the etymology and the correct description of the device, such as having or not a pulley, if it should be a large stick with a pulley or a curve tip. What is the difference with a pantograph. Please fix this entry.
See: http://www.merriam-webster.com/dictionary/trolley
I'm cleaning up the trolley (disambiguation) page of wikipedia. This seems to be the best place for "dropping" the following information but I've never worked with wiktionary before and I'm not a native speaker, so please feel free to do with it what's right.
Trolley can refer to various things:
Sgeureka 00:45, 19 March 2007 (UTC)
Early electric streetcars picked up their current from a small four-wheeled cart (a trolley) running on double overhead wires, tethered to the car by a cable. This arrangement quickly became obsolete, to be replaced by a single wire and a sprung trolley pole with one wheel on the end. The cars are called trolley cars, or trolleys for short. A car with a pantograph instead of a trolley pole is not called a trolley, but an electric streetcar or tram. Larger trolleys running between towns, sometimes in multi-car trains, are called interurbans.
trolley bus is used in North America. At least in Canada, trolley is still sometimes used for small carts, like tea trolley. —Michael Z. 2009-06-14 14:17 z
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Rfv-sense: (British) an abundance of trolls. DCDuring TALK 20:31, 13 June 2009 (UTC)
In what nominal meanings is trolly an alternative spelling? --Backinstadiums (talk) 09:33, 5 July 2020 (UTC)