Definition of "vest"

noun:
- A loose robe or outer garment worn historically by men in Arabic or Middle Eastern countries.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- A sleeveless garment that buttons down the front, worn over a shirt, and often as part of a suit; a waistcoat.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- A sleeveless garment, often with a low-cut neck, usually worn under a shirt or blouse.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- A sleeveless top, typically with identifying colours or logos, worn by an athlete or member of a sports team.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- Any sleeveless outer garment, often for a purpose such as identification, safety, or storage.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
verb:
- : (commonly used of financial arrangements) To become vested, to become permanent.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License