Main Page | See live article | Alphabetical index Root (disambiguation) The word root has a number of meaings: root (biology) - the part of a plant below ground root (linguistics) - the core form of a word root (mathematics) - value for which a formula is zero roots (music) - an early form of American music root (computing) - the privileged Unix user account. Root directory - the root of a tree structure is the starting node. Also root (chord) - the tonic chord in a key See also: Roots (mini-series) Roots (novel) Roots of anti-Semitism Roots (company) a Canadian clothing company The Roots an alternative hip hop group. Square root Root directory This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.