Plain English Meaning
A training exercise where the pilot deliberately stalls the airplane with the engine producing climb or takeoff power, so they learn to recognize and recover from a stall during the kind of high-power, nose-up situation that happens just after takeoff or during a go-around.
Full Definition
A practice maneuver in which the airplane is intentionally brought to a stall while engine power is set at takeoff or climb power, simulating the conditions in which an inadvertent stall is most likely to occur during or go-around. The pilot reduces in a takeoff or climb , raises the nose to the stall, recognizes the stall indications, and recovers by reducing the while applying full power and using to .