Noun
a scar where the umbilical cord was attached
Source: WordNetbelly-button
I'm not Catholic, but I gave up picking my belly button for lint. Emo Philips
I have the most perfect belly button. When I stick my fingers in it, I feel a nerve in the center of my body shoot up my spine. Madonna (entertainer)
People usually asked her if she had a belly button. Of course she had a belly button. She couldn't explain how. She didn't really want to know. Rick Riordan
An umeboshi plum is a little Japensese salt plum. The best thing for motion sickness is to take one of these plums . . . and tape it to your belly button. I'm not kidding you. This really, really works. Marilu Henner
I hate my stomach. It's impossible to get it flat, and the area around my belly button drives me crazy. Carmen Electra
Parents tend to name all of baby boys' body parts, but with girls they go from belly button to knees with this void in the middle. That doesn't change as kids go into puberty. Peggy Orenstein