
In clothing, the term double-breasted refers to a coat or jacket with wide, overlapping front flaps and two parallel columns of buttons or snaps; by contrast, a single-breasted coat has a narrow overlap and only one column of buttons. In most modern double-breasted coats, one column of buttons is decorative, while the other functional. The other b...
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http://en.wikipedia.org/wiki/Double-breasted

• (a.) Folding or lapping over on the breast, with a row of buttons and buttonholes on each side; as, a double-breasted coat.
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http://thinkexist.com/dictionary/meaning/double-breasted/

Having one-half of the front lapped over the other, and usually has a double row of buttons and a single row of buttonholes.
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http://www.dressking.com/search/glossary.htm
Dou'ble-breast`ed adjective Folding or lapping over on the breast, with a row of buttons and buttonholes on each side; as, a
double-breasted coat.
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http://www.encyclo.co.uk/webster/D/113

[
adj] - (of clothing) fastened by lapping one edge of the front well over the other usually with a double row of buttons
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http://www.webdictionary.co.uk/definition.php?query=double-breasted
adjective (of clothing) fastened by lapping one edge of the front well over the other usually with a double row of buttons; `double-breasted jacket`; `double-breasted suit`
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https://www.encyclo.co.uk/local/20974

(of a coat, jacket, etc.) overlapping sufficiently in front to allow for two rows of buttons. · (of a suit) having a coat or jacket that so overlaps. Cf.
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https://www.infoplease.com/dictionary/double-breasted
No exact match found.