a. Spangled or studded with stars. [ 1913 Webster ]
Star-spangled banner, the popular name for the national ensign of the United States; also the name of a poem, the words of which were composed by Francis Scott Key, which was adopted as the national anthem of the United States. F. S. Key. [ 1913 Webster +PJC ]
(n) a poem written by Francis Scott Key during the War of 1812 was set to music and adopted by Congress in 1931 as the national anthem of the United States