/sooh'peuhr kahr"goh, sooh"peuhr kahr'-/ , n. , pl. supercargoes, supercargos .
a merchant-ship officer who is in charge of the cargo and the commercial concerns of the voyage.
[ 1690-1700; sobrecargo, with sobre- over ( super ) Latinized; r. supracargo (with supra- for Sp sobre- ); see CARGO ]