Look up tree in Wiktionary, the free dictionary.

A tree is a woody plant.

Tree may also refer to:

• Tree structure, a way of representing the hierarchical nature of a structure in a graphical form
• Tree (data structure), a widely-used computer data structure that emulates a tree structure with a set of linked nodes
• Tree (graph theory), a graph without cycles
• Tree network, a type of computer and communication network topology
• Tree (descriptive set theory), a set of finite sequences of elements of X that is closed under subsequences, on a set X
• Tree (set theory), a partially ordered set (poset) (T, <) such that for each t ∈ T, the set {s ∈ T : s < t} is well-ordered by the relation <
• Tree (Unix), a recursive directory listing program that produces a depth indented listing of files
• Tree (DOS), a recursive directory listing command that produces a depth indented listing of files
• Shoe tree, a device for storing shoes
• Tree, the wooden understructure of a horse's saddle
• TREE, Trends in ecology and evolution a scientific journal

• Herbert Tree (actor) was a British actor of the late 1800s
• Tree River, a Canadian river

Trees may refer to:

• Trees (film), a 1999 direct to video horror film
• "Trees" (poem), a poem by Joyce Kilmer
• Trees (folk band), British folk band
• Trees (band), one-man new wave band
• "Trees" (song), a song by Lovehammers
• The Trees (novel), a novel by Conrad Richter
• The Trees (Rush song), a song on Rush's 1978 album Hemispheres
• "The Trees" (Autechre song), a song by Autechre
• "The Trees" (song), a song by British pop band Pulp

Treeing may refer to:

• Treeing, a method of hunting
• Electrical treeing, a process whereby branching channels, or chains of small fractures, are created within, or on the surface of, a solid dielectric material

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