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...

In mathematics, Kruskal's tree theorem states that the set of finite trees over a well-quasi-ordered set of labels is itself well-quasi-ordered under homeomorphic...

Dollar Tree, Inc. is an American multi-price-point chain of discount variety stores. Headquartered in Chesapeake, Virginia, it is a Fortune 500 company...

Look up dead tree or dead-tree in Wiktionary, the free dictionary. Dead tree may refer to: Dead Trees, an album by From First to Last Coarse woody debris...

the concept of the sacred tree. The tree of knowledge connecting to heaven and the underworld such as Yggdrasil and the tree of the knowledge of good and...

A Christmas tree is a decorated tree, usually an evergreen conifer, such as a spruce, pine or fir, or an artificial tree of similar appearance, associated...

A mark tree (also known as a nail tree, chime tree, or set of bar chimes) is a percussion instrument used primarily for musical colour. It consists of...

following is a simplified family tree of the English, Scottish, and British monarchs. For more-detailed charts see: Family tree of English monarchs, from Alfred...

A phylogenetic tree, phylogeny or evolutionary tree is a graphical representation which shows the evolutionary history between a set of species or taxa...

In computer science, a B-tree is a self-balancing tree data structure that maintains sorted data and allows searches, sequential access, insertions, and...