Chiefly Southern U.S.an act or instance of witchcraft or voodoo, especially a spell.
Origin: 1250–1300; Middle English conjuren < Anglo-French, Old French conjurer < Latin conjūrāre, equivalent to con-con- + jūrāre to swear, derivative of jūs law; compare jury1, justice
c.1280, from O.Fr. conjurer, from L. conjurare "to swear together, conspire," from com- "together" + jurare "to swear." Magical sense is c.1300, for "constraining by spell" a demon to do one's bidding.