From thars or star promenade: All eight "Diamond" circulate then centers star half to arm turn the one they meet 3/4 (or cast off 3/4). Thars finish in Alamo formation; star promenades finish in a circle of eight or a squared set.
Deuce Williams 1972
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.