The crossword solutions for the term SATCHMO, E.G. are SCATTER, which is a 7 letter word. Louis Armstrong, also known as SATCHMO, was an American jazz trumpeter, composer, singer, and actor who was one of the most influential figures in jazz music. He was known for his improvisational scat singing, which is a vocal technique where the singer improvises words and melodies. This technique is often referred to as 'scatting' and is associated with Armstrong's name.