Free"boot`er (?), n. [D. vrijbuiter, fr. vrijbuiten to plunder; vrij free + buit booty, akin to E. booty. See Free, and Booty, and cf. Filibuster.]
One who plunders or pillages without the authority of national warfare; a member of a predatory band; a pillager; a buccaneer; a sea robber.
© Webster 1913.