Wordnet 3.0
NOUN (1)
1. 
 any plant of the genus Lupinus; 
 bearing erect spikes of usually purplish-blue flowers; 
[syn: lupine, lupin]
WordNet (r) 3.0 (2006):
lupin
    n 1: any plant of the genus Lupinus; bearing erect spikes of
         usually purplish-blue flowers [syn: lupine, lupin]