a. patch

Collins
World English Dictionary
patch (pætʃ)
 
n
1.  a.  a piece of material used to mend a garment or to make patchwork, a sewn-on pocket, etc
 b.  (as modifier): a patch pocket
2.  a small piece, area, expanse, etc
3.  a.  a small plot of land
 b.  its produce: a patch of cabbages
4.  a district for which particular officials, such as social workers or policemen, have responsibility: he's a problem that's on your patch, John
5.  pathol any discoloured area on the skin, mucous membranes, etc, usually being one sign of a specific disorder
6.  med
 a.  a protective covering for an injured eye
 b.  any protective dressing
7.  an imitation beauty spot, esp one made of black or coloured silk, worn by both sexes, esp in the 18th century
8.  (US) Also called: flash an identifying piece of fabric worn on the shoulder of a uniform, on a vehicle, etc
9.  a small contrasting section or stretch: a patch of cloud in the blue sky
10.  a scrap; remnant
11.  computing a small set of instructions to correct or improve a computer program
12.  informal (Austral) the insignia of a motorcycle club or gang
13.  a bad patch a difficult or troubled time
14.  informal not a patch on not nearly as good as
 
vb
15.  to mend or supply (a garment, etc) with a patch or patches
16.  to put together or produce with patches
17.  (of material) to serve as a patch to
18.  (often foll by up) to mend hurriedly or in a makeshift way
19.  (often foll by up) to make (up) or settle (a quarrel)
20.  to connect (electric circuits) together temporarily by means of a patch board
21.  (usually foll by through) to connect (a telephone call) by means of a patch board
22.  computing to correct or improve (a program) by adding a small set of instructions
 
[C16 pacche, perhaps from French piechepiece]
 
'patchable
 
adj
 
'patcher
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

patch
"piece of cloth used to mend another material," late 14c., of obscure origin, perhaps a variant of pece, pieche, from O.N.Fr. pieche (see piece), or from an unrecorded O.E. word. The verb is mid-15c., from the noun; electronics sense of "to connect temporarily" is attested
from 1923. Phrase not a patch on "nowhere near as good as" is from 1860.

patch
"fool, clown," 1549, perhaps from It. pazzo "fool," which is possibly from O.H.G. barzjan "to rave." Form perhaps infl. by folk-etymology from patch (1), on notion of a fool's patched garb.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

patch (pāch)
n.

  1. A small circumscribed area differing from the surrounding surface.

  2. A dressing or covering applied to protect a wound or sore.

  3. A transdermal patch.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
patch   (pāch)  Pronunciation Key 
  1. A temporary, removable electronic connection, as one between two components in a communications system.

  2. A piece of code added to software in order to fix a bug, especially as a temporary correction between two versions of the same software.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Abbreviations & Acronyms
PATCH
planned approach to community health
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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