资料来源 : Webster's Revised Unabridged Dictionary (1913)

Ranz des vaches \Ranz" des` vaches"\ [F., the ranks or rows of
   cows, the name being given from the fact that the cattle,
   when answering the musical call of their keeper, move towards
   him in a row, preceded by those wearing bells.]
   The name for numerous simple, but very irregular, melodies of
   the Swiss mountaineers, blown on a long tube called the
   Alpine horn, and sometimes sung.