Fleur-de-lis
Fleur-de-lis , noun
[French, flower of the lily. Compare Flower-de-luce, Lily.]
1.
(Botany) The iris. See Flower-de-luce.
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.