Tree terms: w
- wacker plate
- Waldram diagram
- walk-by survey
- walkover survey
- walled garden
- wany
- warden pear
- Wardian case
- warp
- warrant of execution
- warren
- waste
- water balance
- water cycle
- water deficit
- water demand
- water level
- water meadow
- water pocket
- water potential
- Water Resources Act 1991
- water shoot
- water stress
- water table
- water trap
- water use
- water vapour
- water vole
- watercourse
- water-holding capacity
- watering tube
- waterlogging
- watershed
- watershed management
- watt
- wattle
- wattle and daub
- wax
- wearing course
- weatherboard
- weathering
- websites
- wedge
- weeding
- weeping
- weeping willow
- Weil’s disease
- wet rot
- wetland
- whip
- white pine blister rust
- white rot
- whitewood
- whitty pear (true service tree, Sorbus domestica)
- whole-tree harvesting
- whorl
- wicking
- wild garden
- wild type
- wildcat
- wildfire
- wildlife
- Wildlife and Countryside Act 1981
- wildlife corridor
- wildlife enhancement scheme
- wildlife fence
- wildlife licence
- wildlife site
- Wildlife Trusts
- wildlife value (of trees)
- wildwood
- willow tunnel
- wilt
- wilt disease
- wilting point
- wind
- wind frost
- wind load simulation
- windbreak
- windfall site
- windfirm
- wind-rock
- windthrow
- windthrow hazard classification
- witches broom
- withe
- withy
- Wollemia spp.
- wood
- wood anatomy
- wood ash
- wood borer
- wood chips
- wood density
- wood grenade
- wood in service
- wood pasture
- wood pellets
- wood pile
- woodbank
- Woodfuel Suppliers’ Group
- woodfuel woodland improvement grant
- woodland (definitions)
- woodland (statistics)
- woodland assessment grant
- woodland carbon code
- woodland character
- woodland creation grant
- woodland edge
- woodland form
- woodland garden
- woodland grant scheme
- woodland improvement grant
- Woodland initiatives network
- woodland management grant
- woodland management plan
- woodland planning grant
- woodland regeneration grant
- woodland structure
- Woodland Trust
- woodworm
- woody
- woolly aphid
- work at height
- Work at Height Regulations 2005
- working load limit
- working plane
- Workplace (Health Safety and Welfare) Regulations 1992
- World conservation strategy
- wound
- wound sealant
- wound wood
- wrenching