From an Alamo formation: Swing by the right halfway then swing 3/4 by the left and the men star right 3/4 around to catch the lady left into a new Alamo (boys face out, girls in). Balance. Swing by the left halfway, then swing by the right 3/4 as the girls star left once and a quarter to catch the man right into a new Alamo. Balance. Swing by the left halfway then by the right 3/4 and the men star left once and a quarter to catch the lady right into a new Alamo. Balance. Swing half by the right then 3/4 by the left as the ladies star right 3/4 into a new Alamo to take the next call.
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.