Terms related to required landscaping and screening shall have the following meanings:
(a) Berm. An earthen mound designed to provide visual interest, screen undesirable views, and/or decrease noise. The height of a berm shall be measured from the average natural grade at the base of the berm.
(b) Caliper. The American Association of Nurserymen standard for trunk measurement of nursery stock. Caliper of the trunk shall be taken at diameter-at-breast-height.
(c) Diameter-at-breast-height (DBH). The diameter of a tree trunk measured in inches at a height 4.5 feet above ground. If a tree splits into multiple trunks below 4.5 feet, the trunk is measured at its most narrow point below the split.
(d) Large Tree. A living tree with a DBH measurement at maturity of at least six (6) inches.
(e) Shade Tree. A tree with foliage that usually sheds annually and is planted primarily for its high crown of foliage or overhead canopy.
(f) Shrub. A woody plant, smaller than a tree, consisting of several small stems from the ground or small branches near the ground.
(g) Small Tree. A living tree with a DBH measurement at maturity of at least four (4) inches.