rotates; rotated; rotating
1 : to move or turn in a circle
As the gear rotates, it turns the other gears.
The Earth rotates on its axis.
The planets rotate around the sun.
a rotating propeller
The software allows you to rotate images.
Rotate the sheet of paper 90 degrees.
2 : to regularly change the person who does a particular job so that all the members of a group do it at different times
The staff rotates the weekend shift.
We rotate—she does the dishes one week; I do them the next.
The work is done by volunteers on a rotating basis. [=the volunteers take turns doing the work]
3 : to regularly change the place or position of things or people so that each takes the place of another
You should rotate your car's tires once a year.
(US) The soldier was rotated home after six months. [=the soldier was sent home after six months and another soldier took his place]
The seasons rotate.