noun
- the small hollow or raised mark on the abdomen where the umbilical cord was attached before birth; navel
Usage: informal
Examples
- The baby's bellybutton healed nicely after the umbilical cord fell off.
- She got a small piercing in her bellybutton.
- The doctor examined the newborn's bellybutton for signs of infection.
- His bellybutton stuck out slightly, making it an outie rather than an innie.
- The shirt was so short it showed her bellybutton.
- Children are often curious about their bellybutton and ask where it came from.