Look up tree in Wiktionary, the free dictionary.

A tree is a woody plant. Wikipedia does not have an article with this exact name. ... It has been suggested that French Wiktionary be merged into this article or section. ... For other uses, see Tree (disambiguation). ...

Tree may also refer to:

• Tree structure, a way of representing the hierarchical nature of a structure in a graphical form
  • Evolutionary tree
  • Family tree
  • Decision tree
• 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 in which any two vertices are connected by exactly one path
• 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
• In linguistic syntax, a structure used to describe sentence structure
• Shoe tree, a device for storing shoes
• World Tree, a motif present in several Indo-European religions
• Mesoamerican world tree, a mythical and cosmological conception among pre-Columbian Mesoamerican cultures
• Stanford Tree, Stanford University's unofficial mascot
• Slang for cannabis
• Tree, the wooden understructure of a horse's saddle.
• Trends in ecology and evolution a scientific journal.
• Herbert Tree (actor) was a British actor of the late 1800s.

Trees may refer to: A tree structure is a way of representing the hierarchical nature of a structure in a graphical form. ... The evolutionary tree of living things is currently supposed to run something along the lines of that listed below. ... A family tree is generally the totality of ones ancestors represented as a tree structure, or more specifically, a chart used in genealogy. ... In operations research, specifically in decision analysis, a decision tree is a decision support tool that uses a graph or model of decisions and their possible consequences, including chance event outcomes, resource costs, and utility. ... In computer science, a tree is a widely-used computer data structure that emulates a tree structure with a set of linked nodes. ... A labeled tree with 6 vertices and 5 edges In graph theory, a tree is a graph in which any two vertices are connected by exactly one path. ... In descriptive set theory, a tree on a set is a set of finite sequences of elements of that is closed under subsequences. ... In set theory, a tree is a partially ordered set (poset) (T, <) such that for each t ε T, the set {s ε T : s < t} is well-ordered by the relation <. For each t ε T, the order type of {s ε T : s < t} is called the idxheight, or height of t... tree is a program on Unix and Unix-like systems. ... For other uses, see Syntax (disambiguation). ... Shoe trees [1] are a device used in making shoes stay in reasonable shape. ... In certain Indo-European religions there was a belief in a world tree, such as Yggdrasil, in Norse mythology, an Oak in Slavic mythology and in Hinduism, a banyan tree. ... A world tree depicted on the sarcophogus lid of the Classic-era Maya ruler of Palenque, Pacal II World trees are a prevalent motif occurring in the mythical cosmologies, creation accounts and iconographies of the pre-Columbian cultures of Mesoamerica. ... The Stanford Tree is the unofficial mascot of Stanford University. ... Look up Cannabis in Wiktionary, the free dictionary. ... A saddle is a seat for a rider fastened to an animals back. ... Trends in Ecology & Evolution (TREE; ISSN 0169-5347) is a monthly review journal that is one of fourteen Trends titles in the life sciences published by Elsevier. ... Sir Herbert Beerbohm Tree (December 17, 1853 - July 2, 1917) was an English actor-manager. ...

• The Memory Of Trees, an album by Enya
• 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), novel by Conrad Richter
• The Trees (song), a song by Autechre
• The Trees (song), a song appearing on Rush's 1978 album Hemisphere
• TreePeople, an environmental nonprofit based in Los Angeles
• Tree63, a Christian rock band

Treeing may refer to: Joyce Kilmer (December 6, 1886 &#8211; July 30, 1918) was an American poet; his best-known work is Trees. The poem is notable for its anthropomorphism: the tree in the poem presses its mouth to the earths breast and looks at God and raises its leafy arms to pray. ... Trees (Bias Boshell is first on the left) Trees were a British folk rock band that existed between 1970 and 1973. ... Fronted by Dane Conover, Trees was a New Wave one-man band from San Diego, California. ... It has been suggested that this article or section be merged into Hemispheres (Rush album). ... It has been suggested that this article or section be merged into Hemispheres (Rush album). ... TreePeople is a Los Angeles nonprofit that encourages the planting of trees. ... Tree63 is a Contemporary Christian Music band from South Africa, formed in 1996. ...

• 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
• Tree River, a Canadian river

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