[rə(ʊ)ˈteɪʃn], (Noun)

Definitions:
- the action of rotating about an axis or centre
(e.g: the moon moves in the same direction as the earth's rotation)

- the passing of a privilege or responsibility to each member of a group in a regularly recurring order
(e.g: it has become common for senior academics to act as heads of department in rotation)


Phrases:

Origin:
mid 16th century: from Latin rotatio(n-), from the verb rotare (see rotate)