backload

noun

1. A load carried on the return journey of a delivery vehicle.

verb

1. To load toward the back, or towards the end of a period.

   “For a grant this size, you would expect either that the vesting occurs over a considerably longer period or is backloaded.”

2. To load (cargo, shipment, etc.) after unloading has been completed.
3. (transitive)To transport further toward the rear of the theater of war.

   “Not only will repair and recovery be vital, but also the backloading of equipment casualties to farther rearward, better protected, and more specialized maintenance facilities.”

4. To fill a syringe with solution from the plunger end of the barrel.