Origin: f, flower of the lily. Cf. Flower-de-luce, lily.
1. (Science: 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.