Wordnet 3.0
NOUN (1)
1. 
 a Marxist-Leninist terrorist organization in Greece that is violently opposed to imperialism and capitalism and NATO and the United States; 
 an active terrorist group during the 1980s; 
[syn: Revolutionary Organization 17 November, 17 November]
WordNet (r) 3.0 (2006):
17 November
    n 1: a Marxist-Leninist terrorist organization in Greece that is
         violently opposed to imperialism and capitalism and NATO
         and the United States; an active terrorist group during the
         1980s [syn: Revolutionary Organization 17 November, 17
         November]