Arboriculture Terms

line attached near the top of a tree or tree section to be felled or any tree section being removed to help pull or guide it in the desired direction or to control its swing.

device consisting of a rotating. grooved wheel between two side plates or cheeks. Used to change the direction of pull in a line. as a fair lead to guide a line or as part of a mechanical advantage system (compare to block).

resting stage of an hemimetabolous insect just prior to transforming to an adult. Stage at which adult morphology is acquired.