What is the true definition of Necromancy?

Google dungeons and dragons because necromancy is fantasy.What is the true definition of Necromancy?
The blackest of all the black arts is undoubtedly necromancy, the ancient method of communication with the dead. The art of raising the dead and controlling their spirits takes its name from Greek words meaning ';dead'; and ';divination';.





Other def.


nec·ro·man·cy (nkr-mns)


n.


1. The practice of supposedly communicating with the spirits of the dead in order to predict the future.


2. Black magic; sorcery.


3. Magic qualities.


[Alteration of Middle English nigromancie, from Old French nigremancie, from Medieval Latin nigromantia, alteration (influenced by Latin niger, black) of Late Latin necromantia, from Greek nekromanteia : nekros, corpse; see nek-1 in Indo-European roots + manteia, divination; see -mancy.]What is the true definition of Necromancy?
Necromancy [nikroʊmeɪnsi] (Greek νεκρομαντία, nekromantía) is a form of divination in which the practitioner seeks to summon ';operative spirits'; or ';spirits of divination';, for multiple reasons, from spiritual protection to wisdom. The word necromancy derives from the Greek νεκρός (nekrós), ';dead';, and μαντεία (manteía), ';divination';.





However, since the Renaissance, necromancy has come to be associated more broadly with black magic and demon-summoning in general, sometimes losing its earlier, more specialized meaning. By popular etymology, nekromantia became nigromancy ';black arts';, and Johannes Hartlieb (1456) lists demonology in general under the heading. Eliphas Levi, in his book Dogma et Ritual, states that necromancy is the evoking of aerial bodies (aeromancy).
Communication with the dead. But, scripturally, this is impossible, because the Bible says that ';the dead know not anything';. So when people believe they are communicating with the ';dead'; (i.e., John Edwards), they are really communicating with demons/fallen angels.
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http://en.wikipedia.org/wiki/Necromancy





Hello ((Piggy)). =]
The true definition is divining using parts of dead bodies.
Communicating with the dead to read the future.
Some one who has sex with dead people.