motor bus

motor bus (plural motor buses or motor busses)

1. Alternative form of motorbus.
   • 1931 May 19, “Motor Traffic Ceases in Warsaw as Protest […]”, in The New York Times‎^[1], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 25 September 2025:

     On privately owned motor busses an average of 33 per cent of the passenger ticket revenues must be paid.