(1):
(n.) Illegal or prohibited traffic.
(2):
(n.) Goods or merchandise the importation or exportation of which is forbidden.
(3):
(n.) A negro slave, during the Civil War, escaped to, or was brought within, the Union lines. Such slave was considered contraband of war.
(4):
(a.) Prohibited or excluded by law or treaty; forbidden; as, contraband goods, or trade.
(5):
(v. t.) To import illegally, as prohibited goods; to smuggle.
(6):
(v. t.) To declare prohibited; to forbid.