臍 - navel

navel; belly button

navel piercing; belly button ring

navel orange

fur seal (esp. the northern fur seal, Callorhinus ursinus); Alaskan fur seal

secret savings; secret stash; money hidden away

lower abdomen

to regret bitterly; to be very sorry (for); to bite one's navel

to make up one's mind (to do something); to resolve firmly (to do something)

peccary

navel piercing; belly button ring

fulcrum peg (fitted into the cavity in an oar as part of a traditional oarlock)

umbilical artery