Plain English Meaning
A training maneuver where you fly a figure-eight around two points on the ground, holding the wing pointed at each point as you turn. Instead of holding a steady height, you climb or descend slightly to keep the wing aimed at the point, since the correct height changes with your speed over the ground.
Full Definition
An advanced ground reference maneuver in which the airplane is flown in a figure-eight pattern around two selected ground points (pylons) while holding an imaginary line extending laterally from the pilot's eye fixed on each pylon throughout the turn. Unlike eights around pylons, the pilot does not maintain a constant altitude or radius; instead, the pilot adjusts up or down to keep the lateral locked on the pylon, flying at the airplane's for the given .