Watteau back

Watteau back

n
(Clothing & Fashion) a section at the back of a woman's dress that is caught in pleats or gathers at the neck and falls unbelted to the floor
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Where would you find a Watteau back? in two BBC sitcoms?