As used in this chapter, the following terms shall have the meanings indicated:
Any vehicle used or constructed or intended for use for conveyance upon public streets so designed, constructed or reconstructed that it can be used as or as to permit its occupancy as a dwelling, living or sleeping place for one or more persons or for the conduct of any business or profession or occupation or trade, whether self-propelled or not self-propelled, standing on wheels only, with no foundations, jacks or skirting.