·noun A garment occasionally worn by women as a part of fashionable costume.
II. Waistcoat ·noun A short, sleeveless coat or garment for men, worn under the coat, extending no lower than the hips, and covering the waist; a vest.
·noun ·same·as Strait-jacket. ...
Webster's Dictionary of the English Language
A tight waistcoat, with long sleeves coming over the hand, having strings for binding them behind th...
Dictionary of The Vulgar Tongue by Francis Grose