| Noun | 1. | United Self-Defense Group of Colombia - 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"Colombia, Republic of Colombia - a republic in northwestern South America; the major legal crop is coffee but cocaine is also a major export | |