As used in this chapter, the following words shall have the meanings indicated:
Any individual, copartnership, association, corporation, or joint stock company, their lessees, trustees or receivers appointed by any court whatsoever.
Any street, avenue, park, parkway, highway or other public place.
Any automobile or motor car engaged in the business of carrying passengers for hire which is held out, announced to operate or run or which is operated or run over any of the streets or public highways of the City, and accepts and discharges such persons as may offer themselves for transportation from points or places within or without the City.