1.turn on or around an axis or a center;
The Earth revolves around the Sun
2.exchange on a regular basis;
We rotate the lead soprano every night
3.cause to turn on an axis or center;
Rotate the handle
4.perform a job or duty on a rotating basis;
Interns have to rotate for a few months
5.turn outward;
These birds can splay out their toes
6.plant or grow in a fixed cyclic order of succession;
We rotate the crops so as to maximize the use of the soil