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.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
- if it helps to assess treatment outcomes such as rapid maxillary expansion (18-20) and root angulations (21)
The esthetic reconstruction in this case was challenging due to the absence of maxillary central incisors, divergent root angulation, increased distance between alveolar bone-interproximal contacts of substitute teeth (lateral incisors), triangular crown morphology, discrepancy of gingival level, and thin periodontal biotype.
Prior to debanding, radiographs were taken to ensure that there was adequate space and satisfactory root angulation to accommodate implant placement.