NAVEL

[informal] belly button, [informal] tummy button [noun] [C] - the small round part in the middle of the stomach which is left after the umbilical cord (= long tube of flesh joining the baby to its mother) has been cut at birthWe can't afford to spend all this time contemplating/gazing at/staring at our navels (= thinking deeply about ourselves and our intentions) - we need to take action.