A piece of cloth, or other suitable material, sewed or otherwise fixed upon a garment to repair or strengthen it, especially upon an old garment to cover a hole
To mend by sewing on a piece or pieces of cloth, leather, or the like; as, to patch a coat
A file describing changes made to a computer file or files, usually changes made to a computer program that fix a programming bug. A patch file, a file used for input to a patch program
To make the changes a patch describes; to apply a patch to the files in question. Hence
If you patch something that has a hole in it, you mend it by fastening a patch over the hole. He and Walker patched the barn roof their patched clothes
a period of indeterminate length (usually short) marked by some action or condition; "he was here for a little while"; "I need to rest for a piece"; "a spell of good weather"; "a patch of bad weather"
provide with a patch; also used metaphorically; "The field was patched with snow