Flower-de-lūce, n.

noun

n. [Fr. fleur-de-lis, flower of the lily; lis, from Lat. lilium, Fr. lis, lili, liri, Sp. & Pg. lirio, It. giglio, Gr. λείριον.] (Bot.) A plant of several species of the genus Iris, especially the I. pseudacorus, or yellow lily of Great Britain, and the I. sambucina, which is the common iris, or flower-de-luce, and is much cultivated as an ornamental plant. Spenser.

An engraved illustration of a flowering iris with long leaves and a bud. — Flower-de-luce.