| A | B |
|---|
| Arboriculture | the study of trees, theri growth and culture |
| Bracing | providing support for a new tree by staking or guying |
| Branch collar | the place where bark and wood of a scaffold and trunk come together |
| Canopy | the outline of the tree top |
| Crotch | the angle between tro branches |
| Crown | the branched part of a tree above the trunk |
| Dripline | the outer edge of a tree branch system that creates an imaginary circle on the ground |
| Dormancy | the state of temporary cessation of growth in plants |
| Flush cut | complete removal of growth at tis point of origin, leaving no stub whatsoever |
| Mulch | a material applied in a layer to the soil surface to suppress weeds, conserve moisture, and maintain a cool, even root temperature |
| Root hairs | very small roots off of primary and secondary roots that grow between soil particles |
| Stub | a portion of a stem remaining between where a cut is made and the next area of active growth |
| Topping | reducing the total height of a tree by 1/3 to 1/2 by removing upper scaffold branches |
