hand-off

Etymology
.

Noun

 * 1)  A pass made in a backward direction.
 * 2)  The transfer of the radar identification of an aircraft from one controller to another when the aircraft enters the receiving controller's airspace and radio communications with the aircraft are transferred.
 * 3)  The passing of a completed project to another person or group.
 * 4)  The act of pushing an opponent away with an open hand.
 * 5)  The transfer of control to another subsystem.