In hip hop music, cutting is a disc jockey technique
used to loop records. Originated by DJ Grandmaster Flash the
technique consists of "manually queueing up duplicate copies
of the same record in order to play the same passage,
cutting back and forth between them." (Ankeny) This is
necessary to isolate and extend breaks into breakbeats.
Also a term from the days of vinyl records. To "cut a record" was to record a record because the grooves in the orginial acetate were physically cut according to the music.
Source
- Ankeny, Jason. "Grandmaster Flash" All Music Guide.