A portion of a Grand Square, usually with one set of couples taking more steps than the other. For example, Sides Face, Mini Square, Heads go Four, Sides go Six (into lines) then Square Thru 3/4 to a Left Allemande.
Willard Orlich 1973
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.