Rotation (noun)

1. The action or process of rotating or being rotated.
2. A single complete turn taken about a central point or axis.
3. The act of regularly taking turns in a particular order.

Origin:

Late 16th century: from latin rotatio(n-), from rotare 'rotate'.

Examples:

1. The rotation of the earth causes day and night.
2. A full rotation of the Ferris wheel takes about 15 minutes.
3. The manager is responsible for the rotation of employees for different shifts.
4. The rotation of crops helps maintain the fertility of the soil.
5. The rotation of duties ensures that everyone gets a chance to perform different tasks.