de·liv·ery n pl -er·ies: an act that shows a transferor's intent to make a transfer of property (as a gift); esp: the transfer of possession or exclusive control of property to another
actual delivery: a delivery (as by hand or shipment) of actual physical property (as jewelry or stock certificates)
conditional delivery: a delivery after which ownership will be transferred upon fulfillment of a condition compare gift causa mortis at gift
◇ A conditional delivery is usu. made in order to make a transfer revocable.
constructive delivery: a delivery of a representation of property (as a written instrument) or means of possession (as a key) that is construed by a court as sufficient to show the transferor's intent or to put the property under the transferee's control – called also symbolic delivery;
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.