an inverted pleat extending upward 6 to 10 inches (15 to 25 cm) from the hemline at the back of a narrow skirt, to allow freedom in walking.
Origin of kick pleat
First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a back pleat at the hem of a straight skirt to allow the wearer greater ease in walking
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