1) German surname 
Jüngling is the surname of an old noble German family. It has been anglicized as Juengling, Jungling, Yuengling and Yungling. Branches of this family currently exist throughout Europe, mostly concentrated in Germany, and in the United States. The name Jüngling is translated in German as `youth`. As Peter N. Stearns writes in the Encyclopedia o.....
Type: Term Pronunciation: yūng′ling Definitions: 1. Adolph O., German surgeon, 1884-1944. See: Jüngling disease