WVC 17 C- 1 - 16
"Semitrailer" means every vehicle with or without motive
power, other than a pole trailer, designed for carrying persons
or property and for being drawn by 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.
Note: WV Code updated with legislation passed through the 2012 1st Special Session