Eton jacket

American  

noun

1. a boy's black waist-length jacket with wide lapels and an open front, as worn by students at Eton College.

2. a similar short jacket worn by women.

---

Eton jacket British  

noun

1. a waist-length jacket with a V-shaped back, open in front, formerly worn by pupils of Eton College

---

Etymology

Origin of Eton jacket

First recorded in 1880–85

Example Sentences

A complete absence of tail is the salient feature of the Eton jacket.

From Time Magazine Archive

A boy in Eton jacket and wide collar, careless, pale, and agitated. 

From The Man by Stoker, Bram

So she wore a light gray liberty silk gown of walking length, with a pretty white muslin waist, and an Eton jacket.

From A Reconstructed Marriage by Barr, Amelia Edith Huddleston

But his claws were fast in Effie's sash and the little point at the back of Harry's Eton jacket.

From The Book of Dragons by Fell, H. Granville

John was wearing the new Eton jacket, also a new white waistcoat; the parting in his hair was straighter than it had ever been before, his ears were pink.

From The Golden Scarecrow by Walpole, Hugh, Sir