root

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ROOT. That part of a tree or plant under ground from which it draws most of its nourishment from the earth.
     2. When the roots of a tree planted in one man's land extend into that of another, this circumstance does not give the latter any right to the tree, though such is the doctrine of the civil law; Dig. 41, 1, 7, 13; but such person has a right to cut off the roots up to his line. Rolle's R. 394, vide Tree.
     3. In a figurative sense, the term root is used to signify the person from whom one or more others are descended. Vide Descent; Per stirpes.

References in periodicals archive ?
The incidence of two or four roots or fused roots was very rare.
It had teeth with high crowns and fused roots similar to more modern, but unrelated, mammalian species such as rodents.
The analysis of clinical and radiographic character- istics of the double teeth showed three morphological types of crowns: single, large and two fused crowns, and four types and roots: single, large, double conical and two fused roots.