- Turn - Turning on axis - The act of turning, as a wheel or a solid body on its
axis, as distinguished from the progressive motion of a revolving round
another body or a distant point; thus, the daily turning of the earth
on its axis is a rotation; its annual motion round the sun is a
revolution. - Any return or succesion in a series. - Pertaining to, or resulting from, rotation; of the nature
of, or characterized by, rotation; as, rotational velocity.