Li'lae, n.

noun

n. [Also lilach.] [Sp. lilac, lila, It. lilà, Turk. leilak. Cf. Per. lilāj, lilanj, or lilang, the indigo-plant.] (Bot.) A shrub of the genus Syringa (S. vulgaris), a native of Persia. The common lilac is cultivated for its fragrant flowers, which are purple or white.