Ma'anar ƙamus na "black sihiri" shine amfani da ikon allahntaka ko sihiri don mugunta ko son kai. Yawancin lokaci ana danganta shi da ayyuka irin su sihiri, sihiri, da al'adun duhu waɗanda suka haɗa da kiran ruhohi ko abubuwan allahntaka don mugun nufi ko cutarwa. Ana amfani da kalmar “baƙar fata” don nuna munanan dabi’u da cutarwa na waɗannan ayyuka, sabanin “fararen sihiri,” wanda ake gani a matsayin amfani da sihiri don dalilai masu kyau da kuma alheri.