The noun patch has 9 senses (first 3 from tagged texts)
1. (7) spot, speckle, dapple, patch, fleck, maculation -- (a small contrasting part of something; "a bald spot"; "a leopard's spots"; "a patch of clouds"; "patches of thin ice"; "a fleck of red")
2. (3) plot, plot of ground, patch -- (a small area of ground covered by specific vegetation; "a bean plot"; "a cabbage patch"; "a briar patch")
3. (2) patch -- (a piece of cloth used as decoration or to mend or cover a hole)
4. while, piece, spell, patch -- (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")
5. patch -- (a short set of commands to correct a bug in a computer program)
6. temporary hookup, patch -- (a connection intended to be used for a limited time)
7. mend, patch, darn -- (sewing that repairs a worn or torn hole (especially in a garment); "her stockings had several mends")
8. eyepatch, patch -- (a protective cloth covering for an injured eye)
9. bandage, patch -- (a piece of soft material that covers and protects an injured part of the body)
Overview of verb patch
The verb patch has 4 senses (first 2 from tagged texts)
1. (2) patch, piece -- (to join or unite the pieces of; "patch the skirt")
2. (1) patch -- (provide with a patch; also used metaphorically; "The field was patched with snow")
3. patch, patch up -- (mend by putting a patch on; "patch a hole")
4. piece, patch -- (repair by adding pieces; "She pieced the china cup")