navel, umbilicus, bellybutton, belly button, omphalos, omphalus -- (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")
navel, navel point -- (the center point or middle of something; "the Incas believed that Cuzco was the navel of the universe")
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