verb-intransitive. To turn or roll round on, or as on, an axis, like a wheel; to rotate, -- which is the more specific word in this sense.verb-intransitive. To move in a curved path round a center.verb-intransitive. To pass in cycles.verb-intransitive. To return; to pass.v. To cause to turn, as on an axis.v. Hence, to turn over and over in the mind; to reflect repeatedly upon; to consider all aspects of.