oracle, in Greek religion, priest or priestess who imparted the response of a god to a human questioner. The word is also used to refer to the response itself and to the shrine of a god. Every oracular shrine had a fixed method of divination. Many observed signs, such as the motion of objects dropped into a spring, the movement of birds, or the rustle of leaves. Often dreams were interpreted. A later and popular method involved the use of entranced persons whose ecstatic cries were interpreted by trained attendants. Before an oracle was questioned consultants underwent rites of purification and sacrifice. There were many established oracles in ancient Greece, the most famous being those of Zeus at Dodona and of Apollo at Delphi and at Didyma in Asia Minor. Other oracular shrines were located in Syria, Egypt, and Italy.
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