What does brigandine mean?
The definition of brigandine
Brig”an*dine, n.
Etym: [F. brigandine (cf. It. brigantina), fr. OF. brigant. See Brigand.]

A coast of armor for the body, consisting of scales or plates, sometimes overlapping each other, generally of metal, and sewed to linen or other material. It was worn in the Middle Ages. [Written also brigantine.] Jer. xlvi. 4. Then put on all thy gorgeous arms, thy helmet, And brigandine of brass. Milton.