From a right-hand box of 4: those facing in Left Touch 1/4 with each other, those facing out Quarter Right; in this ocean wave all Spin the Top. From parallel waves, ending position is a tidal wave; from columns, ending position is parallel waves.
Larche Farrill 1985
This definition is from News and Notes by Al Brundage, Earl Johnston and Ed Foote.
It is provided here for informational and educational purposes only.