corsair
/ˈkɔːseə(r)/noun
1- archaic a pirate〈古〉海盗。
1.1
- a privateer, especially one operating along the southern shore of the Mediterranean in the 16th-18th centuries（尤指16-18世纪活跃在地中海南海岸的）私掠船。
词源
mid 16th cent.: from French corsaire, from medieval Latin cursarius, from cursus 'a raid, plunder', special use of Latin cursus 'course', from currere 'to run'.