noun
- plural of trolleybus; electric buses that draw power from overhead wires through poles
Usage: British spelling variant
Examples
- The city replaced its old trolleybusses with modern electric vehicles.
- Several trolleybusses operate along the main downtown route.
- The trolleybusses run quietly through the residential neighborhoods.
- Maintenance crews inspect the trolleybusses every morning.
- The transit authority ordered new trolleybusses to expand service.
- Passengers prefer trolleybusses because they produce no emissions.