Definition from Wiktionary, the free dictionary
From Ancient Greek ὀμφαλός (omphalos, “navel”).
omphalos (plural omphaloi)
- An ancient religious stone artifact, or baetylus, used to denote the direction of the "center" of the world.
- The theological proposition that the world was created with certain indicia of a history which had not actually occurred (such as the humans who had never been connected to umbilical cords being created with navels).