noun Chiefly British.
a riding jacket having a tight waist, flared skirt, slanted pockets with flaps, and slits or vents at the sides or back.
Origin of hacking jacket
First recorded in 1950–55
Also called hacking coat.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for hacking jacket
mainly British a riding jacket with side or back vents and slanting pockets
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