Dictionary of Business Terms: vest
vest
to become owned, as when an employee has worked for the company long enough to be entitled to a pension; at that time, even if the employee then resigns, the pension is vested.
Dictionary of Real Estate Terms: vest
vest
to create an entitlement to a privilege or right.
Example: If she stays employed by the same brokerage firm for 10 years, Collins' right to a pension will vest.