freight service; cargo flight; freight train
Refers to a transportation service (flight, train, ship, truck) that carries cargo rather than passengers. Often used in compound terms like 貨物便で送る (send by freight).
I'll send this package by freight service.
The cargo flight arrived at night.
Compound of 貨物 (cargo, freight) and 便 (service, mail, flight). The combination straightforwardly means a cargo transport service.