WordNet (r) 3.0 (2006):

AUC
    n 1: a terrorist organization in Colombia formed in 1997 as an
         umbrella for local and regional paramilitary groups; is
         financed by earnings from narcotics and serves to protect
         the economic interests of its members; "the AUC conducted
         over 800 assassinations in one year" [syn: United Self-
         Defense Force of Colombia, United Self-Defense Group of
         Colombia, Autodefensas Unidas de Colombia, AUC]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

AUC
       AUthentication Center (GSM, mobile-systems), "AuC"