navel
umbilicus
belly button informal

Many people feel the first pain near the belly button.

This is usually at the level of your belly button.

She was the first television figure to show her belly button on camera.

Did She have a belly button and, if so, why?

I can't seem to get mine past my belly button.

This is usually at the level of your belly button, as shown in the picture above.

Then your baby will get its own belly button after birth.

Now the whole body seems open to amendment, from hands to feet to belly buttons.

A belly button is not a requirement for a woman to have a baby.

It had gone in a couple of inches below his belly button.