[ˏflә:dә'li:s]
n.
鸢尾, 鸢尾花形的纹章

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}.

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.