'Fleur-de-lis' definitions:

Definition of 'fleur-de-lis'

(from WordNet)
noun
Plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals [syn: iris, flag, fleur-de-lis, sword lily]
noun
(heraldry) charge consisting of a conventionalized representation of an iris [syn: fleur-de-lis, fleur-de- lys]

Definition of 'Fleur-de-lis'

From: GCIDE
  • Fleur-de-lis \Fleur`-de-lis`\, n.; pl. Fleurs-de-lis. [F., flower of the lily. Cf. Flower-de-luce, Lily.]
  • 1. (Bot.) The iris. See Flower-de-luce. [1913 Webster]
  • 2. A conventional flower suggested by the iris, and having a form which fits it for the terminal decoration of a scepter, the ornaments of a crown, etc. It is also a heraldic bearing, and is identified with the royal arms and adornments of France. [1913 Webster]