The crossword solution for the term 'Little Big HORN' is 'L-H-O-R-N', which is a four-letter word. Little Big HORN is a reference to the Battle of the Little Bighorn, which was fought between the Lakota, Northern Cheyenne, and Arapaho tribes against the 7th Cavalry Regiment of the United States Army in 1876. The battle resulted in a major victory for the Native American tribes, and is often referred to as 'CUSTER's Last Stand'.