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Arboriculture Glossary of TermsThere are 1070 entries in this glossary.
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pertaining to living organisms.
disorder caused by an infectious living agent.
double pinnate. Contrast with palmate and pinnate.
(1) expanded body of a leaf. (2) sharp, cutting part of a tool.
friction knot climbers use, sometimes in place of the tautline hitch or Prusik knot.
(1) flow of sap from plant wounds, injuries, or pathogen invasion. (2) flow of blood from a human or animal wound.
any disease or disorder, regardless of the causal agent, that kills young plant tissues.
heavy-duty pulley used in rigging. Designed for dynamic loading.
|block and tackle||
system of two or more pulleys with a rope or cable threaded between them, usually used to lift or pull heavy loads.
method of using an arborist block to rig down trunk sections. Contrast with butt-hitching.
method of ascending a tree using a climbing rope.
main trunk of a tree below the branches, usually used in reference to a tall tree whose first branch is high off the ground.
post on which wraps can be taken with a rope to tie it off or to provide friction for control.
(1) lag- or machine-threaded cable anchor or bracing rod; used with a nut and washer in supplement support systems in trees. (2) a machine-threaded fastener used with a nut and washer in various equipment or structures.
conductor that connects a tree support cable or metal conduit to a lightning protection system.
art of pruning and managing tree growth through root pruning to maintain a miniature size.
long, movable arm of an aerial device or crane.
using the tip of a chain saw to cut into or through the middle of a piece of wood. Back-cut technique in which the hinge is established by plunge cutting through the stem, then cutting back away from the hinge. Plunge cut. Contrast with back cut.
compounds (pesticides, oils, etc.) made from plants.
loop knot used to form single or double endline loop(s) in a rope, often to attach items to the rope.
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