Terms Used In California Codes > Vehicle Code > Division 12 > Chapter 5 > Article 9 - Refrigeration Equipment

• semitrailer: is a vehicle designed for carrying persons or property, used in conjunction with a motor vehicle, and so constructed that some part of its weight and that of its load rests upon, or is carried by, another vehicle. See California Vehicle Code 550
• trailer: includes a semitrailer when used in conjunction with an auxiliary dolly, if the auxiliary dolly is of a type constructed to replace the function of the drawbar and the front axle or axles of a trailer. See California Vehicle Code 630
• vehicle: is a device by which any person or property may be propelled, moved, or drawn upon a highway, excepting a device moved exclusively by human power or used exclusively upon stationary rails or tracks. See California Vehicle Code 670