escrow

noun | \ ˈes-ˌkrō \ | es·crow

1. : an instrument and especially a deed or money or property held by a third party to be turned over to the grantee and become effective only upon the fulfillment of some condition

2. : a fund or deposit designed to serve as an escrow

transitive verb

1. : to cause to be held as an escrow : place in escrow