FDIC. Federal Emergency Management Agency.N.An agency of the U.S. Department of Homeland Security dedicated to coordinating national responses to major disasters such as hurricanes or earthquakes. ABBRV. FEMA. Federal Firearms License.N. A license issued by the Bureau of Alcohol, Tobacco, Firearms and Explosives that allows an individual or business to manufacture or sell firearms and ammunition. ABBRV. FFL. Federal Insurance Contribution Act.N. The act that regulates the Social Security syst...