1. widely distributed genus of plants with usually thick rootstocks and large umbels of white flowers; [syn: Heracleum, genus Heracleum]
WordNet (r) 3.0 (2006):
genus Heracleum
n 1: widely distributed genus of plants with usually thick
rootstocks and large umbels of white flowers [syn:
Heracleum, genus Heracleum]