(n) large European lilac naturalized in North America having heart-shaped ovate leaves and large panicles of highly fragrant lilac or white flowers, Syn. Syringa vulgaris
n. [ NL., fr. Gr. &unr_;, &unr_;, a shepherd's pipe, tube. Cf. Syringe. ] (Bot.) (a) A genus of plants; the lilac. (b) The mock orange; -- popularly so called because its stems were formerly used as pipestems. [ 1913 Webster ]