trolley pole
English
Etymology
A trolley wheel (a wheel that trolls along a wire) at the end of a pole.
Noun
A pair of trolley poles on a trolley bus
trolley pole (plural trolley poles)
- A pole of wood or metal, used to transfer electricity from an overhead wire to power a tram, streetcar or trolley bus.
See also
- bow collector
- pantograph
Further reading
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