[hwip-stawl, wip-] 
Aeronautics| 1. | a stall during a vertical climb in which the nose of the airplane falls forward and downward in a whiplike movement. |
| 2. | to cause (an aircraft) to undergo whipstall. |
| 3. | (of an aircraft) to undergo whipstall. |
| whip·stall (hwĭp'stôl', wĭp'-) n. A usually intentional stall in which a small aircraft enters a vertical climb, pauses, slips backward momentarily, then drops nose downward. |
