n. Loosely, any sorcery or witchcraft, especially involving death or the dead, particularly sorcery involving raising or reanimating the dead.
the GNU version of the Collaborative International Dictionary of English
n. The art of revealing future events by means of a pretended communication with the dead; the black art; hence, magic in general; conjuration; enchantment. See black art.
The Century Dictionary and Cyclopedia
n. Divination by calling up the spirits of the dead and conversing with them; the pretended summoning of apparitions of the dead in order that they may answer questions.
n. The art of magic in general; enchantment; conjuration; the black art.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the belief in magical spells that harness occult forces or evil spirits to produce unnatural effects in the world
n. conjuring up the dead, especially for prophesying
Word Usage
"In fact, little by little the term necromancy lost its strict meaning and was applied to all forms of black art, becoming closely associated with alchemy, witchcraft, and magic."