barber chair
A tree which splits vertically while being felled, causing part of the tree to remain upright while the remainder of the tree falls.
Forestry and timber
72 entries in this trade.
beat up
A tree planted later than others in a plantation.
beech snap
The breakage in wind at a height of about 5 meters of the trunk of a mature beech tree (Fagus grandifolia) weakened by disease, such as beech bark disease.
blue stain
A blue or grey discolouration in sapwood caused by mildew infection.
breastheight
The typical height above ground of an adult's breast, used as a reference height for measuring the diameters of trees.
bucking
The process of cutting a felled and delimbed tree into logs.
candle
A fast-growing, light-colored, upward-growing shoot on a pine tree in the spring. As growth slows in summer, the shoot darkens and is no longer conspicuous.
canopy
The zone of the highest foliage and branches of a forest.
chainsaw
A power saw that has a power-driven and fast-revolving chain of metal teeth, usually used to cut trees.
chicot
A tree or tree limb that is dead and may fall and cause injury.
clearcut
The area of the forest cleared of trees.
clearcutter
One who engages in clearcutting.
crosscut saw
A saw used to cut wood across the grain.
crossover
The point at which the relative humidity is less than, or equal to, the ambient air temperature.
cruise
To inspect (forest land) for the purpose of estimating the quantity of lumber it will yield.
cunit
A unit of measure for wood, equal to 100 cubic feet.
cutblock
A designated area from which timber can be harvested.
dead stand
A stand of trees that have died.
debark
To remove the bark from a tree, especially one that has been felled.
doghair
Pine forest where the trees have grown extremely thin and close together.
drag path
A skid trail or skid road; a narrow, temporary path created or used by forestry machinery (skidders) to drag felled trees or logs from the stump to a central landing area for processing.
drunken trees
(A stand of) trees displaced from their normal vertical alignment, especially due to thermokarst.
DWD
Initialism of down woody debris.
DWM
Initialism of down woody material.
falseheart
Wood that gives an erroneous impression of being heartwood.
feller-buncher
A motorized vehicle, used in logging, that can rapidly cut, gather and fell trees.
felling head
An attachment for a crane or other piece of machinery used for felling trees.
filler
Any standing tree or standard higher than the surrounding coppice in the form of forest known as "coppice under standards".
fully-stocked
adjectiveForestry and timber
Containing as much tree growth as resources allow.
grove
To cultivate with periodic harvesting that also serves to create order (gaps and lines of trees) to facilitate further harvesting.
GSL
Initialism of growing stock level.
hardwood
The tree or tree species that yields the preceding.
harvester
A type of heavy forestry vehicle employed in cut-to-length logging for felling, delimbing and bucking trees; an instance of this type.
hydric
adjectiveForestry and timber
Sufficiently wet to inhibit the survival of many species.
hydromesic
adjectiveForestry and timber
Moderately wet, but less than hydric.
jackpot
A concentration of surface wood or fuel.
kickback
An accident wherein the upper tip of the bar of a running chainsaw contacts a relatively immovable object, forcing the bar upwards and pressing the running chain more firmly against the object, causing the saw to be hurled upwards and backwards into the operator's face.
mast
To produce a very large quantity of fruit or seed in certain years but not others.
mensuration
The use of quantitative measurements of forest stand to determine stand timber volume, productivity, and health.
misery whip
A two-man crosscut saw, often more than ten feet in length, used to fell large trees.
old-growth forest
A forest that has attained great age without significant disturbance.
ounging
The process of assisting logs in their downstream motion by pushing them through the water.
overstand
To be neglected and left uncut for too long.
poletimber
Wood cut from trees of sufficient diameter to form poles, but smaller than sawtimber.
rotation time
The time allowed to elapse between successive occurrences of a stand of trees being logged.
salvable
adjectiveForestry and timber
Salvageable, recoverable; allowing for recovery.
schoolmarm
A tree with two or more trunks; a forked tree.
second-growth forest
A forest which has been harvested and is regrowing.
seed tree
A tree selected to produce seed for reforestation, especially a superior tree left standing at the time of cutting.
silva
The forest trees of a particular area
silvics
The study of the characteristics of trees, including especially their role in the ecology of their forest habitats; such information collected about individual trees and tree species.
silvopasture
A forested or wooded area where domesticated animals are allowed to graze.
skid road
A rough cleared right of way with logs embedded cross-wise on which logs being harvested would slide or be dragged or skidded.
skidding
The logging operation for pulling cut trees out of a forest.
snig
To drag a log along the ground by means of a chain fastened at one end.
softwood
The tree or tree species that yields this wood.
staddle
To mark a sapling to be spared during a selective cutting of trees.
stag-headed
adjectiveForestry and timber
Of a tree: bare of leaves at the top, due to the presence of dead branches.
stand
A contiguous group of trees sufficiently uniform in age-class distribution, composition, and structure, and growing on a site of sufficiently uniform quality, to be a distinguishable unit.
stocking
A ratio of the actual density of trees in an area to the ideal density that would make the fullest use of the land.