Dixie Syllabification: (Dix·ie)Definition of Dixie 1an informal name for the southern US states. It was used in the song “Dixie” (1859), a marching song popular with Confederate soldiers in the Civil War. 2short for Dixieland.Phrases whistle Dixie engage in unrealistic fantasies; waste one’s time:until you nail down the facts, you’re just whistling DixieDixie in other Oxford dictionaries Definition of Dixie in the British & World English dictionary