Malediction

[Sarah]

A proclaiming of evil against some one; a cursing; imprecation;a curse or execration; -- opposed to Benediction.No malediction falls from his tongue. Longfellow.

[Kai]

The verbal act of [cursing] someone with harm and [misfortune], with or without [malice].

[Couch Potatoe]

A magical word or phrase uttered with the intention of bringing about evil; a curse.