PATCHING

To mend by sewing on a piece or pieces of cloth, leather, or the like

Example: "My coat needs patching."

To mend with pieces; to repair by fastening pieces on.

To make out of pieces or patches, like a quilt.

To join or unite the pieces of; to patch the skirt.

To employ a temporary, removable electronic connection, as one between two components in a communications system.

(generally with the particle "up") to repair or arrange in a hasty or clumsy manner

Example: "The truce between the two countries has been patched up."

To make the changes a patch describes; to apply a patch to the files in question. hence:

To connect two pieces of electrical equipment using a cable.

Example: "I'll need to patch the preamp output to the mixer."