[1] : The Collaborative International Dictionary of English v.0.48

icebreaker \icebreaker\ n.
   1. a ship with a reinforced bow and powerful engines designed
      to break up layers of ice on waterways and keep channels
      open for navigation.

   syn: iceboat.
        wordnet 1.5

   2. a remark or action intended to relieve tension or reduce
      formality when initiating conversation or beginning a
      speech; it is often a humorous or light remark.
      pjc

[2] : WordNet (r) 2.0

icebreaker
     n 1: a ship with a reinforced bow to break up ice and keep
          channels open for navigation syn: iceboat
     2: a beginning that relaxes a tense or formal atmosphere; "he
        told jokes as an icebreaker"
see also:
iceboat 

[3] : The Free On-line Dictionary of Computing (27 SEP 03)

icebreaker
     
         a program designed for cracking security on
        a system.
     
        see also: ice.
     
        jargon file
     
        2000-03-18
     
     
see also:
ice jargon file 

Icebreaker >> I Words
Icebreaker, definition of term: Icebreaker
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