icebreaker

(-brāk′ər)

noun

  1. a sturdy, powerful vessel designed to cut channels through heavy ice
  2. a wedgelike structure for protecting a bridge pier, dock, etc. from floating ice
  3. anything serving to lessen formality or break down reserve

See icebreaker in American Heritage Dictionary 4

noun
  1. Nautical A sturdy ship built for breaking a passage through icebound waters. Also called iceboat.
  2. A protective pier or dock apron used as a buffer against floating ice.
  3. a. Something done or said to relax an unduly formal atmosphere or situation.
    b. A beginning; a start.

Related Forms:

  • iceˈbreakˌing noun

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icebreaker

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