'omphalos' definitions:

Definition of 'omphalos'

From: WordNet
noun
A scar where the umbilical cord was attached; "you were not supposed to show your navel on television"; "they argued whether or not Adam had a navel"; "she had a tattoo just above her bellybutton" [syn: navel, umbilicus, bellybutton, belly button, omphalos, omphalus]