Noah Webster
Eccentric
ECCEN'TRIC,
ECCEN'TRICAL, adjective [Latin eccentricus; ex, from , and centrum, center.]
1. Deviating or departing from the center.
2. In geometry, not having the same center; a term applied to circles and spheres which have not the same center, and consequently are not parallel; in opposition to concentric, having a common center.
3. Not terminating in the same point, nor directed by the same principle.
4. Deviating from stated methods, usual practice or established forms or laws; irregular; anomalous, departing from the usual course; as eccentric conduct; eccentric virtue; an eccentric genius.
ECCEN'TRIC, noun A circle not having the same center as another.
1. That which is irregular or anomalous.