Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
Occurs only in Ex. 22:18, as the rendering of mekhashshepheh, the feminine form of the word, meaning "enchantress" (R.V., "sorceress"), and in Dt. 18:10, as the rendering of mekhashshepheth, the masculine form of the word, meaning "enchanter."