English to English

noun (n)

• a ship with a reinforced bow to break up ice and keep channels open for navigation

  sebuah kapal dengan busur yang diperkuat memecah es dan terus terbuka bagi navigasi

  Synonym:
  iceboat
  

  source: wordnet30
• a beginning that relaxes a tense or formal atmosphere

  awal yang rileks satu suasana tegang atau formal

  Example:
  He told jokes as an icebreaker.
  

  source: wordnet30