- Illegal traffic - Prohibited - Illegal or prohibited traffic. - Goods or merchandise the importation or exportation of
which is forbidden. - A negro slave, during the Civil War, escaped to, or was
brought within, the Union lines. Such slave was considered contraband
of war. - Prohibited or excluded by law or treaty; forbidden; as,
contraband goods, or trade. - To import illegally, as prohibited goods; to
smuggle.