Difference between Gilet and Vest

Gilet

Part of speech: noun

Definition: A sleeveless jacket similar to a waistcoat.

Vest

Part of speech: noun

Definition: A sleeveless garment, often with a low-cut neck, usually worn under a shirt or blouse.A sleeveless garment that buttons down the front, worn over a shirt, and often as part of a suit.A protective sleeveless garment worn over outer clothing.

Part of speech: verb

Definition: (commonly used of financial arrangements) To become vested, to become permanent.