Plain English Meaning
The set of stick and pedal movements you make to get the airplane out of a spin: power off, ailerons centered, rudder pushed the opposite way the airplane is spinning, then forward on the stick to break the stall, then level out.
Full Definition
The specific control inputs a pilot makes to stop a spin and return the airplane to normal flight. The standard sequence is to reduce the throttle to idle, neutralize the ailerons, apply full rudder opposite the direction of the spin, and then briskly move the forward to break the stall. After stops, the rudder is neutralized and the airplane is recovered from the resulting .