[1733] Nabel, umbilicus. – nabelförmig, umbilicatus.
Adelung-1793: Nabel, der
Brockhaus-1837: Nabel
Brockhaus-1911: Nabel
Herder-1854: Nabel
Lueger-1904: Nabel
Meyers-1905: Nabel [2] · Nabel [1] · Nâbel
Pierer-1857: Nabel