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.
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.
© Webster 1913.