rotatero·tate /rəʊˈteɪtˈroʊteɪt/ verb [intransitiveI, transitiveT] if a job rotates, or if people rotate jobs, they each do the jobs for a fixed period of time, one after the otherWithin each section of the company, workers are now rotated from job to job regularly.
The chairmanship of the committee rotates annually.