peninsula of N Europe that forms the mainland of Denmark & the N part of the German state of Schleswig-Holstein
See Jutland in American Heritage Dictionary 4
A peninsula of northern Europe comprising mainland Denmark and northern Germany. The name is usually applied only to the Danish section of the peninsula. The largest naval battle of World War I was fought by British and German fleets off the western coast of Jutland on May 31-June 1, 1916.