Definition of "Root" :
noun: the embedded part of a bodily structure such as a tooth, nail, or hair
noun: (linguistics) the form of a word after all affixes are removed
noun: a simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes
noun: the set of values that give a true statement when substituted into an equation
noun: the place where something begins, where it springs into being
"Communism's Russian root."
noun: someone from whom you are descended (but usually more remote than a grandparent)
noun: (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground
noun: a number that, when multiplied by itself some number of times, equals a given number
verb: take root and begin to grow
"This plant roots quickly."
verb: cause to take roots
verb: become settled or established and stable in one's residence or life style
verb: dig with the snout
"The pig was rooting for truffles."
verb: plant by the roots
verb: cheer for
"She roots for the Broncos."
verb: come into existence, originate
"The problem roots in her depression."