tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only ...

is a perennial woody plant. Tree or trees may also refer to:

Information representation

* Tree structure or tree diagram, a way of representing a hierarchical nature of structure in a graphical form *

Family tree A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed family trees, used in medicine and social work, are known as genograms. Representations of ...

, used in genealogy to show familial relationships *

Decision tree A decision tree is a decision support system, decision support recursive partitioning structure that uses a Tree (graph theory), tree-like Causal model, model of decisions and their possible consequences, including probability, chance event ou ...

, a tree model of decisions and their consequences * Dialogue tree, used to generate conversations *

Parse tree A parse tree or parsing tree (also known as a derivation tree or concrete syntax tree) is an ordered, rooted tree that represents the syntactic structure of a string according to some context-free grammar. The term ''parse tree'' itself is use ...

, used in linguistics to represent the syntax of sentences

Mathematics

* Tree (descriptive set theory), a set of finite sequences of elements of X that is closed under subsequences, on a set X * Tree (graph theory), a connected graph without cycles * Tree (set theory), like a graph-theory tree, but with a distinguished root, and possibly having chains of transfinite length * Tree diagram (probability theory), a tree-like representation of a probability space *TREE, an extremely fast-growing function; see Kruskal's tree theorem

Computing

* Tree (automata theory) * Tree (command), a recursive directory listing program that produces a depth indented listing of files * Tree (abstract data type), a widely used computer data structure that emulates a tree structure with a set of linked nodes * Tree network, a type of computer and communication network topology * Digital tree, prefix tree or trie, a computer science ordered tree data structure

Film and television

* ''The Tree'' (1969 film), an American film directed by Robert Guenette * ''The Tree'' (1993 film), a short film * ''The Tree'' (2001 film), a Singaporean film directed by Daisy Chan * ''The Tree'' (2010 film), an Australian/French film directed by Julie Bertuccelli * ''The Tree'' (2014 film), a Slovenian film directed by Sonja Prosenc * "The Tree" (''King Rollo''), a 1980 television episode

Literature

* ''Tree'' (novel), a 1978 historical novel by F. Sionil José * "Trees" (poem), a 1913 poem by Joyce Kilmer * ''The Trees'' (Richter novel), a 1940 novel by Conrad Richter * ''The Tree'' (book), an autobiographical book by John Fowles * ''The Tree'' (New Zealand play), a 1957 play by Stella Jones * ''The Tree'' (American play), a 1932 play by Richard Maibaum * "The Tree" (short story), a short horror story by H. P. Lovecraft *'' Ms. Tree'', a comic book and the title character * ''Trees'' (comics), a science fiction comic book series by Warren Ellis and Jason Howard *'' Trends in Ecology and Evolution'', a scientific journal *'' Our Father Who Art in the Tree'', a 2002 novel by Judy Pascoe, reprinted in 2010 as simply ''The Tree'' * ''The Trees'' (Everett novel), a 2022 novel by Percival Everett

Music

Bands

* Trees (band), British folk band

Albums

* ''Trees'' (Avantdale Bowling Club album), 2022 * ''Tree'' (Gaelic Storm album), 2001 * ''Tree'' (Johnny Duhan album), 2002 * ''Tree'' (TVXQ album), 2014 * ''Tree'' (Sekai no Owari album),2015 * ''The Tree'' (album), 2018

Songs

* "Trees", a 1961 song by the Platters * "Trees", a song by Twenty One Pilots from the album '' Vessel'', 2013 * "The Trees" (Rush song), a 1978 song by Rush * "The Trees" (Pulp song), a 2001 song by Pulp * "The Trees", a song by Autechre from the album '' Untilted'', 2005 * "Trees", a 2011 song by

Twenty One Pilots Twenty One Pilots is an American musical duo from Columbus, Ohio. Initially a band, the group was formed in 2009 by lead vocalist Tyler Joseph along with Nick Thomas and Chris Salih, who both left in 2011. Since their departure, the line-up h ...

People

* Tree (surname), a surname (including a list of people with the name) * Keith "Tree" Barry (born 1964), American musician * Tree Gelbman, a fictional character in ''Happy Death Day'' and its sequel, ''Happy Death Day 2U'' * Lavon "Tree" Mercer (born 1959), American-Israeli basketball player * Tree Rollins (born 1955), American basketball player

Other uses

* The Tree (Gleizes), a 1910 painting by Albert Gleizes * Tree (dominoes), a domino game in which every double is a spinner * Wood (wuxing), an element in Chinese philosophy sometimes translated as tree * Tree River, a Canadian river * Sacred tree, a tree believed to be sacred * Stanford Tree, unofficial mascot of Stanford University * Trees Dallas, a live music venue in the Deep Ellum district of Dallas, Texas * Tree (installation), an art installation in Paris, France * Shoe tree, a device for storing shoes *Tree, the wooden understructure of a horse's

saddle A saddle is a supportive structure for a rider of an animal, fastened to an animal's back by a girth. The most common type is equestrian. However, specialized saddles have been created for oxen, camels and other animals. It is not know ...

* Tree model, about language family trees in historical linguistics *The Fuck Tree, a tree on London's Hampstead Heath that facilitates gay sex