The act of wandering; deviation, especially from truth
or moral rectitude, from the natural state, or from a type.

A partial alienation of reason.

The 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; called spherical
aberration, when due to the spherical form of the lens or mirror, such
form giving different foci for central and marginal rays; and chromatic
aberration, when due to different refrangibilities of the colored rays
of the spectrum, those of each color having a distinct focus.

The passage of blood or other fluid into parts not
appropriate for it.

The producing of an unintended effect by the glancing
of an instrument, as when a shot intended for A glances and strikes B.