1.A sacrifice accompanied by certain ceremonies in honor of some pagan deity; especially, the ceremonies observed by the Greeks and Romans in the worship of Dionysus, or Bacchus, which were characterized by wild and dissolute revelry. Usually in the plural form. Note: (The singular is rarely used in this sense.) "As when, with crowned cups, unto the Elian god, Those priests high orgies held."
2.Wild, drunken, or licentious revelry; an uninhibited carouse.
3.A series of sexual activities involving more than two couples in a group.
4.Hence: An event characterized by unrestrained indulgence in passion; as, an orgy of buying of internet stocks.
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