| Answer | Crossword Clue |
|---|---|
| trolleybuses | TROLLEYBUS, a bus running on an overhead electric wire |
| trolleybusses | TROLLEYBUS, a bus running on an overhead electric wire |
| trolleybus | a bus running on an overhead electric wire |
| trolley | A wheel attached to a pole, used for collecting current from an overhead electric wire to drive a streetcar or trolley bus |
| trolleys | A wheel attached to a pole, used for collecting current from an overhead electric wire to drive a streetcar or trolley bus |
