Look up umbilicus in Wiktionary, the free dictionary.

Umbilicus may refer to:

• umbilicus, a feature of gastropod, Nautilus and Ammonite shell anatomy
• umbilicus, a synonym for the navel or belly button.
• Umbilicus, a genus of over ninety species of perennial flowering plants, including:
  • Umbilicus rupestris, the binomial name for navelwort.
  • Umbilicus horizontalis, the binomial name for horizontal navelwort.
  • Umbilicus intermedius, the binomial name for intermediate navelwort.
  • Umbilicus chrysanthus, the binomial name for Venus' navel.
  • Umbilicus chloranthus, the binomial name for green Venus' navel.
  • Umbilicus erectus, the binomial name for reniform Venus' navel.
  • Umbilicus oppositifolius, the binomial name for gold drop.
• 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.

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