The Collaborative International Dictionary of English v.0.48:
Parthenocissus \Parthenocissus\ prop. n. A genus of woody vines having disklike tips on the tendrils. Syn: genus Parthenocissus. [WordNet 1.5]WordNet (r) 3.0 (2006):
Parthenocissus n 1: woody vines having disklike tips on the tendrils [syn: Parthenocissus, genus Parthenocissus]