The following words, terms and phrases, when used in this article, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:

Deviating truck means a truck which leaves and departs from a truck route while traveling inside the city.

truck means any vehicle designed or operated for the transportation of property, whose combined load and body weight exceed five tons.

truck route means a way over certain streets, as designated in this article, over and along which trucks coming into and going out of the city must operate.