noun. Alternative spelling of trolley bus.

noun. a passenger bus with an electric motor that draws power from overhead wires

"In the former Eastern Bloc city where I am living, where people are pretty far from having “American middle class attitudes”, whatever these are supposed to be, if you talk to people about getting around, there is a pretty definite mental hierarchy: a train is better than a tram, a tram is better than a trolleybus, a trolleybus is better than a bus, and a bus is better than crawling."

autobus  bus  charabanc  coach  double-decker