WordNet (r) 3.0 (2006):

American bittersweet
    n 1: twining shrub of North America having yellow capsules
         enclosing scarlet seeds [syn: bittersweet, American
         bittersweet, climbing bittersweet, false bittersweet,
         staff vine, waxwork, shrubby bittersweet, Celastrus
         scandens]