motorbus

[moh-ter-buhs]

Origin of motorbus

First recorded in 1900–05; motor + bus1
Also called motor coach.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for motorcoach

motorcoach

noun
  1. a coach driven by an internal-combustion engine

motorbus

noun
  1. a bus driven by an internal-combustion engine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012