smoking jacket

a loose-fitting jacket for men, often of a heavy fabric and trimmed with braid, worn indoors, especially as a lounging jacket.

Origin of smoking jacket

First recorded in 1875–80

But when he threw on a smoking-jacket and sauntered over to Hastings' house, he was informed that he had been gone over an hour.

The King in Yellow |Robert W. Chambers
Blackton himself, comfortably dressed in duck trousers and a smoking-jacket, and puffing on a pipe, opened the front door for him.

The Hunted Woman |James Oliver Curwood
Brushing the cigarette ashes from my smoking-jacket, I crossed the room and snatched up the receiver.

Astounding Stories of Super-Science, March 1930 |Various
A minute later Oliver stood meditating in his own room, where he had just donned his smoking-jacket.

The Testing of Diana Mallory |Mrs. Humphry Ward

Mr. Fricker discovered this disconcerting circumstance when he had got into his smoking-jacket and slippers.

The Intrusions of Peggy |Anthony Hope

smoking jacket

a man's comfortable jacket of velvet, etc, closed by a tie belt or fastenings, worn at home

so called because it was formerly worn for smoking