icebreaker
ahysb ray ker
- n a ship with a reinforced bow to break up ice and keep channels open for navigation
- n a beginning that relaxes a tense or formal atmosphere
he told jokes as an icebreaker
- Poland was again the icebreaker for the rest of Central Europe in the "velvet revolutions" of 1989.
- Shards A Coast Guard icebreaker sails through a sea of ice floes on a late summer trip through McMurdo Sound.
- At Buffalo one morning last week the Coast Guard's broad-beamed icebreaker Mackinaw began smashing its way across the icebound harbor.