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.
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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