1. perennial Eurasian nettle established in North America having broad coarsely toothed leaves with copious stinging hairs; [syn: stinging nettle, Urtica dioica]
WordNet (r) 3.0 (2006):
stinging nettle
n 1: perennial Eurasian nettle established in North America
having broad coarsely toothed leaves with copious stinging
hairs [syn: stinging nettle, Urtica dioica]