to turn about an axis or a centre; to revolve
to take turns at performing an act or operation
to perform an ordered series of actions or functions
to cause (something) to turn about an axis or centre
to order (something) in a recurring sequence
to cause (a crop or crops) to grow in rotation
to exchange (individuals or units) with others
rotatable adj
rotative /ʹrohtətiv/ adj
rotatory /ʹrohtət(ə)ri, rohʹtayt(ə)ri/ adj
[Latin rotatus, past part. of rotare, from rota wheel]