Definitions for backbeatˈbækˌbit
Random House Webster's College Dictionary
an accented secondary or supplementary beat, as by a jazz drummer.
Category: Music and Dance
Origin of backbeat:
a loud steady beat
The sharp accent on the second and fourth beats of rock music in 4/4 time.
Just let me hear some of that rock and roll music / Any old way you choose it / It's got a back beat, you can't lose it, / Any old time you use it / It's gotta be rock and roll music / If you wanna dance with me - Chuck Berry - Rock and Roll Music