patch
/pætʃ/
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.
His sleeves had patches on the elbows where different fabric had been sewn on to replace material that had worn away.
A small piece of anything used to repair damage or a breach; as, a patch on a kettle, a roof, etc.
I can't afford to replace the roof, which is what it really needs. I'll have the roofer apply a patch.
A piece of any size, used to repair something for a temporary period only, or that it is temporary because it is not meant to last long or will be removed as soon as a proper repair can be made, which will happen in the near future.
"This patch should hold until you reach the city," the mechanic said as he patted the car's hood.
A small, usually contrasting but always somehow different or distinct, part of something else (location, time, size)
Doesn't that patch of clouds looks like a bunny?
(specifically) A small area, a small plot of land or piece of ground.
Scattered patches of trees or growing corn.
A local region of professional responsibility.
A small piece of black silk stuck on the face or neck to heighten beauty by contrast, worn by ladies in the 17th and 18th centuries; an imitation beauty mark.
A piece of material used to cover a wound.
An adhesive piece of material, impregnated with a drug, which is worn on the skin, the drug being slowly absorbed over a period of time.
Many people use a nicotine patch to wean themselves off of nicotine.
A cover worn over a damaged eye, an eyepatch.
He had scratched his cornea so badly that his doctor told him to wear a patch.
A block on the muzzle of a gun, to do away with the effect of dispart, in sighting.
A patch file, a file that describes changes to be made to a computer file or files, usually changes made to a computer program that fix a programming bug.
A small piece of material that is manually passed through a gun barrel to clean it.
A piece of greased cloth or leather used as wrapping for a rifle ball, to make it fit the bore.
(often patch cable, patch cord etc.; see also patch panel) A cable connecting two pieces of electrical equipment.
A sound setting for a musical synthesizer (originally selected by means of a patch cable).
An overlay used to obtain a stronger impression.