chat·e·laine /ˈʃætḷˌen/
  腰帶,大別墅的女主人,女城主
  Chat·e·laine n.  An ornamental hook, or brooch worn by a lady at her waist, and having a short chain or chains attached for a watch, keys, trinkets, etc. Also used adjectively; as, a chatelaine chain.
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  chatelaine
       n 1: the mistress of a chateau or large country house
       2: a chain formerly worn at the waist by women; for carrying a
          purse or bunch of keys etc.