Also found in: Thesaurus, Medical, Idioms, Encyclopedia, Wikipedia.


a. A small piece of material affixed to another, larger piece to conceal, reinforce, or repair a worn area, hole, or tear.
b. A small piece of cloth used for patchwork.
2. A small cloth badge affixed to a garment as a decoration or an insignia, as of a military unit.
a. A dressing or covering applied to protect a wound or sore.
b. A pad or shield of cloth worn over an eye socket or an injured eye.
c. A transdermal patch.
a. A small piece, part, or section, especially that which differs from or contrasts with the whole: a patch of thin ice; patches of sunlight.
b. A small plot or piece of land, especially one that produces or is used for growing specific vegetation: a briar patch; a bean patch.
6. An indefinite period of time; a spell: weathered a difficult patch after losing his job.
7. A temporary, removable electronic connection, as one between two components in a communications system.
8. Computers A piece of code added to software in order to fix a bug, especially as a temporary correction between two releases.
v. patched, patch·ing, patch·es
1. To put a patch or patches on: patched my pants.
2. To make by sewing scraps of material together: patch a quilt.
3. To mend, repair, or put together, especially hastily, clumsily, or poorly: They patched together the broken statues with glue and plaster. The delegates will be forced to patch up their differences.
4. To connect temporarily (electronic components), as with a patch cord.
5. Computers To correct a bug in (an item of software), especially as a temporary correction between releases.
Electronics To be connected temporarily.

[Middle English pacche, perhaps alteration of pece, pecche, piece; see piece.]

patch′a·ble adj.
patch′er n.
References in classic literature ?
A mender of old shoes, or patcher up of clothes, who made the shoes or clothes worse than he received them, could not have remained thirty days undetected, and would very soon have starved; whereas during more than forty years, Protagoras was corrupting all Hellas, and sending his disciples from him worse than he received them, and he was never found out.
"Last year we invested in the services of a 'velocity patcher' to repair potholes and road damage to improve uneven road surfaces more efficiently.
Industry analyst, Michael Patcher, suggests that bothMicrosoft andSony will launch new consoles in 2019 - but sadly they won't be the Xbox Two and PlayStation 5 that many of us are hoping for.
This list includes the Proton RAT, an Apple- certified Remote Access Trojan, the Mac variant of Xagentm, a modular backdoor exploit for customized intrusions, and the KeRanger and Patcher ransomware variants for OS X.
Sid worked in numerous positions, including battery labourer, door man and patcher. His work involved him being based on the oven tops and on the oven sides.
Read: ( Mac Ransomware: New 'Patcher' Attack Won't Decrypt User Files Even After Ransom Is Paid
The ransomware payload usually hitches a ride with a program and goes by the name 'Patcher'.
Kacherginsky, "IDA Patcher," 2014, ida-patcher.
The jet patcher allows for lots of holes that are close together to be filled quickly, but is disruptive for traffic and residents and can't be used in bad weather.
Anyone who can weld can turn the frame of an unused chisel plow into a useful heavy-duty "pothole patcher," says Perry Easley, owner of Easley Welding, Kirksville, Missouri.