Emily Dickinson Lexicon

EC-CEN'TRIC, or EC-CEN'TRIC-AL, a. [L. 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. Encyc.
3. Not terminating in the same point, nor directed by the same principle. Bacon.
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.