Fĭl'i-būs'ter1, n.
n. [Sp. filibuster, filibustero, Fr. filibustier, from Sp. filibote or filibote, a sort of small, fast-sailing vessel, said to have been so named from the river Vly in Holland.] A lawless military adventurer, especially one in quest of plunder; a freebooter; a pirate;—applied especially to the followers of Lopez in his expedition to Cuba in 1851.