Weskit vs. Waistcoat — What's the Difference?

A waistcoat; a vest.

A waistcoat (UK and Commonwealth, or ; colloquially called a weskit), or vest (US), is a sleeveless upper-body garment. It is usually worn over a dress shirt and necktie and below a coat as a part of most men's formal wear.

(colloquial) waistcoat

A garment formerly worn by men under a doublet.

Chiefly British A short, sleeveless, collarless garment worn especially over a shirt and often under a suit jacket; a vest.

An ornamental garment worn under a doublet.

A sleeveless, collarless garment worn over a shirt and under a suit jacket.

A short, sleeveless coat or garment for men, worn under the coat, extending no lower than the hips, and covering the waist; a vest.

A man's sleeveless garment worn underneath a coat