Transportation option in Philadelphia and Seattle

• Advance so far up, welcoming spin in vehicle
• A passenger bus with an electric motor that draws power from overhead wires
• Public transport vehicle

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Again London led, its last trolleybus ran in 1962. ▪ Consider installing a tram or trolleybus system. ▪ During 1939, following the trolleybus conversions in North London, a number of rolling stock changes were made. ▪ Hammersmith ...

WordNet Word definitions in WordNet
n. a passenger bus with an electric motor that draws power from overhead wires [syn: trolley coach , trackless trolley ]

Wiktionary Word definitions in Wiktionary
n. (alternative spelling of trolley bus English)

Wikipedia Word definitions in Wikipedia
A trolleybus (also known as trolley bus , trolley coach , trackless trolley , trackless tram [in early years] or trolley ) is an electric bus that draws power from overhead wires (generally suspended from roadside posts) using spring-loaded trolley poles ...