Search Result for "contras": 
Wordnet 3.0

NOUN (1)

1. a Nicaraguan counterrevolutionary guerrilla force from 1979 to 1990; it opposed a left-wing government, with support from the United States; 



WordNet (r) 3.0 (2006):

Contras
    n 1: a Nicaraguan counterrevolutionary guerrilla force from 1979
         to 1990; it opposed a left-wing government, with support
         from the United States