noun (n)

• the sound made by something moving rapidly or by steam coming out of a small aperture

  suara yang dibuat oleh sesuatu bergerak cepat atau oleh uap keluar dari liang

  Synonym:
  whistle
  

  source: wordnet30
• the act of whistling a tune

  tindakan bersiul tune

  Example:
  His cheerful whistling indicated that he enjoyed his work.
  

  source: wordnet30
• the act of signalling (e.g., summoning) by whistling or blowing a whistle

  tindakan signalling (e. g. , memanggil) oleh bersiul atau meniup peluit

  source: wordnet30