Umbilicus

Look up umbilicus in Wiktionary, the free dictionary.

Umbilicus may refer to:

• Umbilicus (mollusc), a feature of gastropod, Nautilus and Ammonite shell anatomy
• Umbilicus, a synonym for the navel or belly button
• Umbilicus (genus), a genus of over ninety species of perennial flowering plants
• Umbilicus urbis Romae, the designated center of the city of Rome from which and to which all distances in Rome and the Roman Empire were measured
• Umbilicus mundi, or "the world's navel", a Greek artifact