An omphalos is a religious stone artifact, or baetylus. In Ancient Greek, the word ". In Greek lore, Zeus sent two eagles across the world to meet at its centre, the "navel" of the world. Among the Ancient Greeks, it was a widespread belief that Delphi was the center of the world. According to the myths regarding the founding of the Delphic Oracle, Zeus, in his attempt to locate the center of the earth, launched two eagles from the two ends of the world, and the eagles, starting simultaneously and flying at equal speed, crossed their paths above the area of Delphi, and so was the place where Zeus placed the stone. Omphalos is also the name of the stone given to Cronus. In the ancient world of the Mediterranean, it was a powerful religious symbol. Omphalos Syndrome refers to the belief that a place of geopolitical power and currency is the most important place in the world.
Symbolism
The omphalos was not only an object of Hellenic religious symbolism and world centrality; it was also considered an object of power. Its symbolic references included the uterus, the phallus, and a cup of red wine representing royal blood lines.
Delphi
Most accounts locate the Delphi omphalos in the adyton near the Pythia. The stone sculpture itself, has a carving of a knotted net covering its surface, and a hollow center, widening towards the base. The omphalos represents the stone which Rhea wrapped in swaddling clothes, pretending it was Zeus, in order to deceive Cronus.. Omphalos stones were believed to allow direct communication with the gods. Holland suggested that the stone was hollow to allow intoxicating vapours breathed by the Oracle to channel through it. Erwin Rohde wrote that the Python at Delphi was an earth spirit, who was conquered by Apollo and buried under the Omphalos. However, understanding of the use of the omphalos is uncertain due to destruction of the site by Theodosius I and Arcadius in the 4th century CE.
In literature, the word omphalos has held various meanings but usually refers to the stone at Delphi. Authors who have used the term include: Homer, Pausanias, D.H. Lawrence, James Joyce, Jacques Derrida, and Sandy Hingston. For example, Joyce uses the term in the novel, Ulysses: In Ted Chiang's short story "Omphalos", the protagonist is forced to question her belief about where the navel of the world is located.