(Science: botany) A beautiful evergreen shrub of the dogbane family, having clusters of fragrant red or white flowers. It is native of the East Indies, but the red variety has become common in the south of Europe. Called also rosebay, rose laurel, and South-sea rose.
Origin: F. Oleandre (cf. It. Oleandro, LL. Lorandrum), prob. Corrupted, under the influence of laurus laurel, fr. L. Rhododendron, Gr.; rose _ tree.