- a short coat or jacket with a straight back and no seam at the waist.
Origin of sack coat
First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sack coat
On this occasion he wore a sack-coat of medium length, with side-pockets.
Putting his hand into the side-pocket of his sack-coat, he drew from it a small revolver.Down South
Had the opportunity come to him, he would have worn a silk hat with a sack-coat, or a dress suit in the afternoon.Last of the Great Scouts
Helen Cody Wetmore
But he wore that strange combination—not so strange west of the Mississippi—a sack-coat and a silk-hat at the same time.The Candidate
Joseph Alexander Altsheler
Heathcote, with his hands in the pockets of his sack-coat, walked up and down, listening.Anne
Constance Fenimore Woolson