noun
- plural of trolleybus; electric buses that draw power from overhead wires through poles
Examples
- The city replaced its old diesel buses with modern trolleybuses.
- Trolleybuses are more environmentally friendly than gasoline-powered vehicles.
- The trolleybuses run silently through the downtown area.
- Several European cities still operate extensive trolleybus networks.
- The trolleybuses can disconnect from the overhead wires and run on battery power for short distances.
- Maintenance crews regularly inspect the overhead cables that power the trolleybuses.