a boy's black waist-length jacket with wide lapels and an open front, as worn by students at Eton College.
a similar short jacket worn by women.
Origin of Eton jacket
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for eton jacket
You were a little shaver in an Eton-jacket and round collar.The Gateless Barrier|Lucas Malet
British Dictionary definitions for eton jacket
a waist-length jacket with a V-shaped back, open in front, formerly worn by pupils of Eton College
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