ALL meanings of beat back
beat back
B b - idioms beat back beat the rap. rap1 (def 17). 1
- idioms beat back off one's beat, outside of one's routine, general knowledge, or range of experience: He protested that nonobjective art was off his beat. 1
- idioms beat back on the beat, in the correct rhythm or tempo: By the end of the number they were all finally playing on the beat. 1