From parallel waves or eight chain thru formation: All arm turn half, new centers arm turn 3/4 and centers of the wave across the set Trade. The same wave now does a Trade The Wave as the ends Circulate two positions to form twin diamonds. All now Cut The Diamond. Finishes in parallel two faced lines.
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.