For the purpose of this chapter, the following terms shall have the meanings respectively ascribed to them in this section, unless from the particular context it clearly appears that some other meaning is intended:
Any structure which is mounted or designed for mounting upon wheels, and which includes accommodations designed for sleeping or living purposes for one or more persons, excepting a device used exclusively upon stationary rails or tracks.
Any park, trailer park, trailer court, court, campsite, lot, parcel or tract of land designed, maintained or intended for the purpose of supplying a location or accommodations for any trailer coaches, or upon which any trailer coaches are parked. It shall include all buildings used or intended for use as part of the equipment thereof, whether a charge is made for the use of the trailer park and its facilities or not. Trailer park shall not include automobile or trailer sales lots on which unoccupied trailer coaches are parked for purposes of inspection and sale.