revolve

v. (-ving) 1 (cause to) turn round, esp. On an axis; rotate. 2 move in a circular orbit. 3 ponder (a problem etc.) In the mind. 4 (foll. By around) have as its chief concern; be centred upon (his life revolves around his job). [latin revolvo -volut-]

v. i. 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.