- The definition of cargo means items that are carried in a ship, train, truck, plane, etc.
An example of cargo is a combination of plumbing parts carried to its destination on a plane.
Cargo being loaded onto a truck.
nounpl. car·goes or car·gos
Origin of cargoSpanish, from cargar, to load, from Late Latin carricāre, from Latin carrus, a Gallic type of wagon; see kers- in Indo-European roots.
(countable and uncountable, plural cargos or cargoes)