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.-to move in a curved path round a center; as, the planets revolve round the sun.-to pass in cycles; as, the centuries revolve.-to return; to pass.-to cause to turn, as on an axis.-hence, to turn over and over in the mind; to reflect repeatedly upon; to consider all aspects of.