Definition: Area 51-a super-secret Air Force Base located on the Nevada Test Range. It has several other names, including Groom Lake. The name "Area 51" came from the fact that the site was labeled as "Area 51" on old Atomic Energy Commission maps. The name "Groom Lake" comes from the fact that the base's runway, the longest runway in the world, is located in a dry lake bed named Groom Lake.
Also Known As: Groom Lake
