motorbus

from WordNet (r) 3.0 (2006)

motorbus
    n 1: a vehicle carrying many passengers; used for public
         transport; "he always rode the bus to work" [syn: {bus},
         {autobus}, {coach}, {charabanc}, {double-decker}, {jitney},
         {motorbus}, {motorcoach}, {omnibus}, {passenger vehicle}]

from The Collaborative International Dictionary of English v.0.48

motorbus \motorbus\ n.
   a road vehicle carrying many passengers; used for public
   transport; an omnibus.

   Syn: bus, autobus, coach, charabanc, double-decker, jitney,
        motorcoach, omnibus.
        [WordNet 1.5]

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