From facing couples: Belles begin a Flutter Wheel with a right arm turn, moving across to pick up the opposite beau. As couples, move forward another quarter turn. Beaux drop off and belles return to home position but don't face in. Finishes in a diamond formation. Belles are considered to be centers.
Dave Smith 1976
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.