As used in this chapter, unless other meaning is clearly apparent from the language or context, the following terms shall have the meanings indicated:
Any place, area, lot or tract of land upon which is located any trailer, trailer coach or camp car.
Any unit used for living, sleeping or business purposes by one or more persons, which is equipped with wheels or similar devices used for the purpose of transporting said unit from place to place, whether it be self-propelled or otherwise. The word "trailer" as used in this chapter shall include any trailer, trailer coach or camp car as defined above.