WHAT DOES VESTED MEAN?
1)Present ownership rights.
2)Defines the availability for a participant to an entitlement such as an option or share holding.
You're probably looking for this definition that I found on Dictionary.com.
"1. held completely, permanently, and inalienably: vested rights. "
what is the history of the wheel
vest·ed (vĕs'tĭd)
adj.
Law. Settled, fixed, or absolute; being without contingency: a vested right.
Dressed or clothed, especially in ecclesiastical vestments.
You got it buddy