master_copy
1. [ noun ] an original creation (i.e., an audio recording) from which copies can be made
Synonyms: original master
Related terms: creation
Similar spelling:   master_key
  masterly
  masseter
  master_class
  mastership
  master_bedroom
  masterpiece
  masterfully
  master_race
  master_plan
  master_file
  Mastropietro
  masterstroke
  mastered
  Masterson
  Masterman
  mastering
  masterful