motorbus

[ moh-ter-buhs ]
/ ˈmoʊ tərˌbʌs /

noun, plural mo·tor·bus·es, mo·tor·bus·ses.

a passenger bus powered by a motor.
Also called motor coach.

Origin of motorbus

First recorded in 1900–05; motor + bus1

British Dictionary definitions for motorcoach (1 of 2)

motorcoach
/ (ˈməʊtəˌkəʊtʃ) /

noun

a coach driven by an internal-combustion engine

British Dictionary definitions for motorcoach (2 of 2)

motorbus
/ (ˈməʊtəˌbʌs) /

noun

a bus driven by an internal-combustion engine