Definition of freighters:
(adv) :
(nautical) A ship used mainly to carry freight.
(adv) :
(aviation, by extension) An aircraft used mainly to carry freight; a cargo aircraft or cargo plane.
(adv) :
One employed in receiving and forwarding freight.
(adv) :
One for whom freight is transported.
(adv) :
One who loads a ship.
(adv) :
One who charters and loads a ship.