A woody vine of the genus Celastrus, especially the North American species C. scandens and the eastern Asian species C. orbiculata, having small, round, yellow-orange fruits that open at maturity to expose red seeds. Also called staff tree.
See bittersweet nightshade.
A dark to deep reddish orange.
Bitter and sweet at the same time: bittersweet chocolate.
Producing or expressing a mixture of pain and pleasure: a movie with a bittersweet ending.
Dark to deep reddish-orange.
(bĭt'ər-swēt') 