Noun

1. Any of a group of seamen who cruised on their own account on the Spanish Main and in the Pacific in the 17th century; similar to pirates but did not prey on ships of their own nation.

1. A pirate.

Verb

1. To engage in piracy against any but one's own nation's ships.
   • 1963, John Day, Arthur Henry Bullen (editor), The Works of John Day, page v

     In 1596 and 1597 he bucaneered against Sao Thomi, the Portuguese slaving settlement off the coast of West Africa, and in the Spanish Main