'Nombril' definitions:

Definition of 'nombril'

From: WordNet
noun
The center point on a shield

Definition of 'Nombril'

From: GCIDE
  • Nombril \Nom"bril\, n. [F. nombril, for OF. lombril, i. e., ombril, with the article, a dim. fr. L. umbilicus the navel. See Navel.] (Her.) A point halfway between the fess point and the middle base point of an escutcheon; -- called also navel point. See Escutcheon. [1913 Webster]