a stall during a vertical climb in which the nose of the airplane falls forward and downward in a whiplike movement.
verb (used with object)
to cause (an aircraft) to undergo whipstall.
verb (used without object)
(of an aircraft) to undergo whipstall.
Origin of whipstall
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a stall in which an aircraft goes into a nearly vertical climb, pauses, slips backwards momentarily, and drops suddenly with its nose down
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012