To connect circuits together temporarily. Note: In communications, patches may be made by means of a cord, i. E. , a cable, known as a "patch cord. " In automated systems, patches may be made electronically. 2. In a computer program, one or more statements inserted to circumvent a problem or to alter temporarily or permanently a usually limited aspect or characteristic of the functioning of the program, e. G. , to customize the program for a particular application or environment.