Definitions
1.nounThe act of wandering; deviation from truth, moral rectitude; abnormal; divergence from the straight, correct, proper, normal, or from the natural state."aberration of character"
2.nounThe convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; a defect in a focusing mechanism that prevents the intended focal point.
3.nounA small periodical change of position in the stars and other heavenly bodies, due to the combined effect of the motion of light and the motion of the observer.
4.nounA partial alienation of reason.
5.nounA mental disorder, especially one of a minor or temporary character.
6.nounAtypical development or structure; deviation from the normal type; an aberrant organ.
7.nounA deviation of a tissue, organ or mental functions from what is considered to be within the normal range.