[ItsForTheChildren]

Granted, I'm no expert, but as I recall, revolve is to orbit around a central point. The earth revolves around the sun and rotates on its axis.

[Larry Lucido]

The earth revolves around the sun and rotates on its axis.

So if my revolver cylinder rotates, what revolves and what does it revolve around? Should I put a tether on it? :-)