(v): move around an axis or a center
(v): exchange on a regular basis
(v): exchange people temporarily to fulfill certain jobs and functions
(v): perform a job or duty on a rotating basis
(v): do duty or hold offices; serve in a specific function
(v): cause to turn on an axis or center
(v): change orientation or direction, also in the abstract sense
(v): turn outward
(v): change orientation or direction, also in the abstract sense
(v): plant or grow in a fixed cyclic order of succession
(v): cause to grow or develop
Also an adjective: shaped like a wheel.