noun
- a style of popular music combining the features of rock-‘n’-roll and hillbilly music.
noun
-
- a fast, spare style of White rock music which originated in the mid-1950s in the US South
- (as modifier)a rockabilly number
1956, from noun sense of rock (n.2) in the music sense + second element abstracted from hillbilly music. One of the first uses is in a “Billboard” item about Johnny Burnette’s “Lonesome Train.”