arbor-, arbori-

(Latin: tree, trees)

If you would know strength and patience, welcome the company of trees.

—Hal Borland in Beyond your Doorstep

Urban Development is cutting down trees and naming streets after them.

—Graffiti
arbor (s), arbores (pl); arbour (British)
1. A leafy, shady recess formed by tree branches, shrubs, etc.
2. A latticework bower intertwined with climbing vines and flowers.
3. A trellis or other structure used to support plants that form an arbor.
3. A grass plot; lawn; garden; orchard.
4. A bar, shaft, or axis that holds, turns, or supports a rotating cutting tool or grinding wheel, often having a tapered shank fitting tightly into the spindle of a machine tool.
arbor vitae, arborvitae
1. Any of several North American or eastern Asian evergreen trees or shrubs of the genus Thuja, having flattened branchlets with opposite, scalelike leaves and small cones.

They are grown as ornamentals and for timber.

2. The white nerve tissue of the cerebellum, which has a treelike outline in a median section.
arboraceous
1. Abounding in trees.
2. A reference to a tree-like or wooded characteristic.
arboreal (adjective), more arboreal, most arboreal
1. Relating to or resembling a tree or trees: The arboreal cover in the park provided lots of shade for the picnickers.
2. Living in trees; such as, birds or animals: There are arboreal apes, gibbons, and squirrels among other arboreal creatures.
3. Adapted for life in trees: Sam and Mary discovered a variety of arboreal birds which were living in the trees down by the river.
Pertaining to trees or inhabiting trees like arboreal animals or birds.
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Relating to or like a tree.
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Pertaining to or similar to a tree or trees.
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arborean
1. A reference to a tree or trees.
2. Of the nature of trees.
arboreous
1. Relating to or resembling a tree.
2. Living in trees; arboreal.
3. Having many trees; wooded.
4. Forming a tree trunk, as distinguished from a shrub.
arboreous desert
An area of sparsely scattered trees with little or no vegetation between; a desert forest.
arborescence
The state of being arborescent; the resemblance to a tree in minerals, or crystallizations, or groups of crystals in that form; as, the arborescence produced by precipitating silver.
arborescent
Having the size, form, appearance, or characteristics of a tree; treelike; branching.
arboresque (adjective), more arboresque, most arboresque
1. Artistically similar to a tree; tree-like.
2. Resembling a tree in form and branching structure.
arboret
A small tree or shrub.
arboretum (s), arboreta (pl)
1. A place where an extensive variety of woody plants are cultivated for scientific, educational, and ornamental purposes.
2. A laboratory for developing new varieties of trees and shrubs of special beauty, or faster growth, or resistance to pests and diseases; and to experiment with trees from foreign lands to discover their uses and adaptability to local climates.
3. A living museum where people can see and learn about trees and a place of beauty during every season.
4. A botanical garden exhibiting trees for their scientific interest and educational value, and in association with appropriate wildlife features.

An arboretum is a place for the cultivation, study, and enjoyment of trees; while a nursery is a place for raising trees to use elsewhere in landscaping and forestry.

arborical
Relating to or formed by trees.
arboricide
1. The wanton destruction of trees.
2. A chemical that kills trees.
arboricole (verb), arboricoles; arboricoled; arboricoling: trees
1. To live predominantly in trees or large woody shrubs.
2. Etymology: from French arboricole which came from Latin arbor, "tree" + colere, "to inhabit".