As used in this chapter, the following terms shall have the meanings indicated:
Any vehicle used or intended to be used as a conveyance upon the public streets or highways, whether duly licensed as such or not, and includes self-propelled and non-self-propelled vehicles so designed and constructed or reconstructed or added to by means of accessories or otherwise in such manner as to permit the occupancy thereof as a permanent or temporary dwelling or sleeping place for one or more persons and having no permanent foundation.