from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An iris, especially a white-flowered form of Iris germanica.
- n. Heraldry A device consisting of a stylized three-petaled iris flower, used as the armorial emblem of the kings of France.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A design representing a flower whose three petals are joined together at the bottom, often used in heraldry, where it is particularly associated with the French monarchy.
from the GNU version of the Collaborative International Dictionary of English
- n. The iris. See flower-de-luce.
- n. 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.
from The Century Dictionary and Cyclopedia
- n. In heraldry, a bearing as to the origin of which there is much dispute, some authorities maintaining that it represents the lily, others that it represents the head of a lance or some such warlike weapon.
- n. In botany, the iris: commonly called flower-de-luce.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
- n. (heraldry) charge consisting of a conventionalized representation of an iris
Middle English flour de lice, from Old French flor de lis : flor, flower + de, of + lis, lily.(American Heritage® Dictionary of the English Language, Fourth Edition)
French fleur de lys, "lily flower" (Wiktionary)