The Collaborative International Dictionary of English v.0.48:
Arisarum \Arisarum\ n. 1. 1 a genus of tuberous or rhizomatous perennial herbs; mainly Mediterranean area. Syn: genus Arisarum. [WordNet 1.5]WordNet (r) 3.0 (2006):
Arisarum n 1: tuberous or rhizomatous perennial herbs; mainly Mediterranean area [syn: Arisarum, genus Arisarum]