- \\“+ˌizəm\ noun
: sympathy for the Confederate cause in the Civil War : disloyalty to the Union
* * */kop"euhr hed iz'euhm/, n.U.S. Hist. (during the Civil War) the advocacy of peace negotiations to restore the Union to its prewar condition, with continued slavery in the South.[1860-65, Amer.; COPPERHEAD + -ISM]
Useful english dictionary. 2012.