A rotate spicule or scale; a rotate corolla.
An example of rotate is to move the tires around on a car to new positions on the car to let them wear evenly.
An example of rotate is moving the players in a volleyball game.
Interns will rotate through the various departments.
To rotate crops.
The aircraft rotates at sixty knots.
Rotate the dial to the left.
The supermarket rotates the stock daily so that old foods don't sit around.