MASTER COPY

{n.} 1. A perfect text to which all copies are made to conform; a corrected version used as a standard by printers. * /The master copy must be right, because if it isn't, the mistakes in it will be repeated all through the edition./ 2. A stencil from which other copies are made. * /Mr. Brown told his secretary to save the master copy so that they could run off more copies whenever they needed them./ * /The master copy was too light so many of the copies didn't come out clear./