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cooler

[koo-ler] /ˈku lər/
noun
1.
a container or apparatus, as an insulated chest, in which something may be cooled or kept cool.
2.
anything that cools or makes cool; refrigerant.
3.
an air conditioner.
4.
a tall drink, consisting of liquor, soda, and a fruit garnish.
6.
the cooler, Slang. jail:
He was in the cooler for three months for petty theft.
7.
Ice Hockey Slang. penalty box.
Origin
1565-1575
1565-75; cool + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for the cooler

cooler

/ˈkuːlə/
noun
1.
a container, vessel, or apparatus for cooling, such as a heat exchanger
2.
a slang word for prison
3.
a drink consisting of wine, fruit juice, and carbonated water
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for the cooler

cooler

n.

1570s, "a vessel in which something is set to cool," agent noun from cool (v.). Meaning "insulated box to keep things cool" is from 1958. Slang meaning "jail" is attested from 1884.

Online Etymology Dictionary, © 2010 Douglas Harper
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