We don't have synonyms for brigantines yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are brigantine, brigandines and brigandine.
(n) :
(nautical) a two-masted vessel, square-rigged on the foremast, but fore-and-aft-rigged mainsail with a square-rig above it on the mainmast.
(n) :
Alternative form of brigandine. [(historical) A coat of armor for the body, consisting of scales or plates, sometimes overlapping each other, generally of metal, sewn or riveted under or onto canvas or linen or other material.]
(n) :
(nautical) a two-masted vessel, square-rigged on the foremast, but fore-and-aft-rigged mainsail with a square-rig above it on the mainmast.
(n) :
Alternative form of brigandine. [(historical) A coat of armor for the body, consisting of scales or plates, sometimes overlapping each other, generally of metal, sewn or riveted under or onto canvas or linen or other material.]