Emily Dickinson Lexicon

CA-COPH'O-NY, n. [Gr. κακος, ill, and φωνη, voice.]

1. In rhetoric, an uncouth or disagreeable sound of words, proceeding from the meeting of harsh letters or syllables. – Encyc.
2. In medicine, a depraved voice; on altered state of the voice. – Coxe. Encyc.
3. In music, a combination of discordant sounds.