From facing lines: Inside couples do a Right and Left Thru while the ends Pass Thru and then Star Thru behind the other couples. If Spin the Wheel full around is called, those doing the Right and Left Thru will courtesy turn full around to face out. Can finish in double pass thru formation, Trade By formation (Spin the Wheel); completed double pass thru formation or eight chain thru formation (Spin the Wheel Full Around).
Clarence Watson 1962
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.