1. Also called hursinghar, sad tree, tree of sadness . a jasminelike, Indian shrub or small tree, Nyctanthes arbor-tristis, of the verbena family, having fragrant, white and orange flowers that bloom at night.
2. Also called night jessamine . a West Indian shrub, Cestrum nocturnum, of the nightshade family, having fragrant, creamy-white flowers that bloom at night.
[ 1865-70 ]