A wheeled vehicle without a motor, designed to be drawn by a motor vehicle in front of it; specifically:
(a)
Such a vehicle used on street railroads. Called also trail car.
(b)
The large wheeled wagon or van pulled by a tractor in a tractor-trailer combination.
(c)
A vehicle equipped as a mobile dwelling unit, pulled by an automobile or other mtor vehicle, and used as a dwelling when parked; also called a mobile home.
(d)
A wheeled motorless open wagon designed to carry a heavy object, such as a boat trailer.
