1a piece of cloth or other material used to mend or strengthen a torn or weak point.
a pad or shield worn over a sightless or injured eye or an eye socket.
a piece of cloth sewn onto clothing as a badge or distinguishing mark.
Computing a small piece of code inserted into a program to improve its functioning or to correct an error.
an adhesive piece of drug-impregnated material worn on the skin so that the drug can be absorbed gradually over a period of time.
a part of something marked out from the rest by a particular characteristic:his hair was combed forward to hide a growing bald patch
a small area or amount of something:patches of bluebells in the grass
historical a small disk of black silk attached to the face, especially as worn by women in the 17th and 18th centuries for adornment.
2a small piece of ground, especially one used for gardening:they spent Sundays digging their vegetable patch
British informal an area for which someone is responsible or in which they operate:we didn’t want any secret organizations on our patch
3 informal a period of time seen as a distinct unit with a characteristic quality:he may have been going through a bad patch
4a temporary electrical or telephone connection.
a preset configuration or sound-data file in an electronic musical instrument, especially a synthesizer.
1mend or strengthen (fabric or an item of clothing) by putting a piece of material over a hole or weak point in it:her jeans were neatly patched
Medicine place a patch over (a good eye) in order to encourage a lazy eye to work.
Computing correct, enhance, or modify (a routine or program) by inserting a patch.
(usually be patched) cover small areas of (a surface) with something different, causing it to appear variegated:the grass was patched with sandy stretches
(patch someone/something up) informal treat someone’s injuries or repair the damage to something, especially hastily:they did their best to patch up the gaping wounds
(patch something together) construct something hastily from unsuitable components:lean-tos patched together from aluminum siding and planks figurativethey were trying to patch together an arrangement for cooperation
(patch something up) informal restore peaceful or friendly relations after a quarrel or dispute:any ill feeling could be patched up with a phone callthey sent him home to patch things up with his wife
2connect by a temporary electrical, radio, or telephonic connection:Ralph had patched her through to the meeting by walkie-talkie
not a patch on
British informal greatly inferior to:he no longer looked so handsome—he wasn’t a patch on Peter
late Middle English: perhaps from a variant of Old French pieche, dialect variant of piece 'piece'