revolution

Orbital motion about a point, especially as distinguished from axial rotation.

A turning or rotational motion about an axis.

A single complete cycle of such orbital or axial motion.

The overthrow of one government and its replacement with another.

A sudden or momentous change in a situation.

A time of major crustal deformation, when folds and faults are formed.

In astrology, the annual return of the sun to the place he occupied at one’s birth, from which, according as he may be aspected, an augury is derived regarding the complexion of the ensuing year of life.

The act of revolving or turning completely round, so as to bring every point of the turning body back to its first position; a complete rotation through 360°. Where the distinction is of importance, this is called a rotation.

The act of moving completely around a circular or oval course, independently of any rotation.