From parallel waves: Those facing out do a normal circulate. Ends facing in Circulate to the farthest center of the opposite wave. Centers facing in Circulate to the farthest end of the opposite wave. Traffic pattern is to have the four crossing over form a star to go across to their new spots in the opposite waves.
Robert Black 1973
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.