1) Autobus 2) Charabanc 3) Coach 4) Double-decker 5) Jitney 6) Motorbus 7) Motorcoach 8) Omnibus 9) Trackless trolley 10) Trolley coach 11) Type of Bus 
A trolleybus (also known as trolley bus, trolley coach, trackless trolley, trackless tram [in early years] or trolley) is an electric bus that draws its electricity from overhead wires (generally suspended from roadside posts) using spring-loaded trolley poles. Two wires and poles are required to complete the electrical circuit. This differs from ...
vehicle operated on the streets on rubber tires and powered by electricity drawn from two overhead wires by trolley poles. It is distinct from a ...
1. an electrically driven pneumatic-tyred vehicle running without rails on public roads, alone or with a trailer, and drawing its power from an overhead contact line 2. a transport system using trolleybuses
[n] - a passenger bus with an electric motor that draws power from overhead wires
trolley coach noun a passenger bus with an electric motor that draws power from overhead wires