Search Result for "blue thistle":
Wordnet 3.0

NOUN (1)

1. a coarse prickly European weed with spikes of blue flowers; naturalized in United States;
[syn: blueweed, blue devil, blue thistle, viper's bugloss, Echium vulgare]



WordNet (r) 3.0 (2006):

blue thistle
    n 1: a coarse prickly European weed with spikes of blue flowers;
         naturalized in United States [syn: blueweed, blue
         devil, blue thistle, viper's bugloss, Echium
         vulgare]