Navel
Part of speech: noun
Definition: The indentation or bump remaining in the abdomen of mammals where the umbilical cord was attached before birth.
Example sentence: I don't have the time or the desire to gaze at my navel.
Omphalos
Part of speech: noun
Definition: 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).