1. ( also Dixieland jazz ) n [ U ] a type of US jazz music played by a small band. It has a strong, happy rhythm, and the musicians also play individually during a song. Dixieland began in the South at the end of the 19th century and is still popular, especially in New Orleans . The best known Dixieland song is When the Saints Go Marching In.
2. ➡ Dixie .