(625 ILCS 5/1-209) (from Ch. 95 1/2, par. 1-209)
Sec. 1-209. Trailer.
Every vehicle without motive power in operation, other than a pole trailer, designed for carrying persons or property and for being drawn by a motor vehicle and so constructed that no part of its weight rests upon the towing vehicle.
(Source: P.A. 76-1798.)