Definitions for icebreakerˈaɪsˌbreɪ kər
Random House Webster's College Dictionary
a ship specially built for breaking navigable passages through ice.
something that eases tension or relieves formality.
Category: Common Vocabulary
a tool for chopping ice into small pieces.
a ship with a reinforced bow to break up ice and keep channels open for navigation
a beginning that relaxes a tense or formal atmosphere
"he told jokes as an icebreaker"
A ship designed to break through ice so that it, or other ships coming behind, can navigate on frozen seas.
The steel hulls of ice-breakers are much thicker than those of standard vessels.
A game, activity, humorous anecdote, etc., designed to relax a group of people to help them get to know each other.
The new college hallmates were awkward with each other at first, but after a game of charades as an icebreaker, they were laughing like old friends.