Definition of supercargo in English:
 supercargo
nounPlural supercargos, Plural supercargoes suːpəˈkɑːɡəʊˈsupərˌkɑrɡoʊ
A representative of the ship's owner on board a merchant ship, responsible for overseeing the cargo and its sale.
 Example sentencesExamples
-  Similar facilities are provided for the supercargo crew of two officers, twelve NCOs and 36 enlisted crew members.
 -  The piece consists of a conversation between a female captain and a male supercargo on a massive container vessel headed for Vancouver.
 -  This was applied in the normal way to the foreign community, whose chiefs - supercargoes and ships' captains - could thus be held responsible for crimes committed by those under their authority.
 -  As the ship sails, supercargoes can find specific vehicles as needed.
 -  The origin of the museum was the East India Marine Society, which was founded in 1799 by shipmasters and supercargoes who had collectively amassed forty-three hundred objects made in China, Japan, India, Africa, and Oceania.
 -  Born in the Netherlands in 1739, van Braam first went to China in 1758 as a supercargo for the Dutch East India Company.
 
Origin
  
Late 17th century: alteration of earlier supracargo, from Spanish sobrecargo, from sobre 'over' + cargo 'cargo'.
   Definition of supercargo in US English:
 supercargo
nounˈsupərˌkɑrɡoʊˈso͞opərˌkärɡō
A representative of the ship's owner on board a merchant ship, responsible for overseeing the cargo and its sale.
 Example sentencesExamples
-  This was applied in the normal way to the foreign community, whose chiefs - supercargoes and ships' captains - could thus be held responsible for crimes committed by those under their authority.
 -  Born in the Netherlands in 1739, van Braam first went to China in 1758 as a supercargo for the Dutch East India Company.
 -  The origin of the museum was the East India Marine Society, which was founded in 1799 by shipmasters and supercargoes who had collectively amassed forty-three hundred objects made in China, Japan, India, Africa, and Oceania.
 -  Similar facilities are provided for the supercargo crew of two officers, twelve NCOs and 36 enlisted crew members.
 -  As the ship sails, supercargoes can find specific vehicles as needed.
 -  The piece consists of a conversation between a female captain and a male supercargo on a massive container vessel headed for Vancouver.
 
Origin
  
Late 17th century: alteration of earlier supracargo, from Spanish sobrecargo, from sobre ‘over’ + cargo ‘cargo’.