Webster's Revised Unabridged Dictionary · 1913

Nombril

Nombril , noun

[French nombril, for Old French lombril, that is, ombril, with the article, a dim. from Latin umbilicus the navel. See Navel.]

(Heraldry) A point halfway between the fess point and the middle base point of an escutcheon; -- called also navel point. See Escutcheon.