corsair
Concise Oxford English Dictionary © 2008 Oxford University Press:
corsair /kɔːˈsɛː, ˈkɔːsɛː/
▶noun archaic a pirate.
■ historical a privateer, especially one operating along the southern shore of the Mediterranean.
– origin C16: from Fr. corsaire, from med. L. cursarius, from cursus ‘a raid, plunder’, special use of L. cursus ‘course’, from currere ‘to run’.
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