Release a shipment (8)
I believe the answer is:
delivery
This clue is a double definition.
'release' is the first definition.
(thesaurus)
'a shipment' is the second definition.
(I've seen this before)
(Other definitions for delivery that I've seen before include "Door-to-door service" , "Act of giving birth" , "Throw of a cricket ball" , "Process of giving birth" , "Manner of making speech or bowling a ball" .)