As used in this chapter:

"Park trees" means trees, shrubs, bushes and all other woody vegetation in public parks having individual names and all areas owned by the city, or to which the public has free access as a park.

"Sight triangles" means an area at a street intersection in which nothing shall be erected, placed, planted or allowed to grow in such a manner as to materially impede vision between a height of two and one-half feet and eight feet above the grades of the outside edge of the street surface of the intersecting streets, measured from the point of intersection of the centerline of the streets, ninety (90) feet in each direction along the centerline of the streets. The city engineer shall establish sight distance triangles based upon standards in the policy manual published by the American Association of State Highway and Transportation Officials (AASHTO).

"Street trees" means trees, shrubs, bushes and all other woody vegetation with a mature height in excess of eighteen (18) inches on land lying between property lines on either side of all streets, avenues or ways within the city.

"Topping" means the severe cutting back of limbs to stubs larger than three inches in diameter within the tree's crown to such a degree so as to remove the normal canopy and disfigure the tree. (Ord. G-786 § 2 (part), 1994: prior code § 16-106)