What is the meaning of PLEDGE?

A. The transfer or assignment of assets as collateral to secure payment of a debt obligation as when securities are' PLEDGE'd to a lender for a loan secured by the owner of the securities. When securities a pledged, the lender frequently requires the physical transfer of the collateral to preclude possibility of using the same asset for additional pledging; b. The deposit or placing of personal property as security for a debt or other obligation with a person called a pledgee. The pledgee has the implied power to sell the property if the debt is not paid. If the debt is paid, the right to possession returns to the pledgor; or, c. A written or oral agreement to contribute cash or other assets.