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icebreaker

[ahys-brey-ker] /ˈaɪsˌbreɪ kər/
noun
1.
Nautical. a ship specially built for breaking navigable passages through ice.
2.
an opening remark, action, etc., designed to ease tension or relieve formality:
A mild joke can be a good icebreaker.
3.
a tool or machine for chopping ice into small pieces.
Origin
1810-1820
1810-20, Americanism; ice + breaker1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for icebreaker
  • Her winningly chipmunk-cheeked smile is doled out sparingly, a privilege to be earned, rather than an icebreaker or an entreaty.
British Dictionary definitions for icebreaker

icebreaker

/ˈaɪsˌbreɪkə/
noun
1.
Also called iceboat. a vessel with a reinforced bow for breaking up the ice in bodies of water to keep channels open for navigation
2.
any tool or device for breaking ice into smaller pieces
3.
something intended to relieve mutual shyness at a gathering of strangers
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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icebreaker in Technology

security, jargon
A program designed for cracking security on a system.
See also: ICE.
[Jargon File]
(2000-03-18)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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18
20
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