chatelaine
Pronunciation:
/ˈʃætəleɪn//ˈʃætl̩ˌeɪn/noun
Definitions
The mistress of a castle or large household.
A chain or clasp worn at the waist by women with handkerchief, keys, etc., attached, supposed to resemble the chain of keys once worn by medieval chatelaines.
A similar thing in miniature attached to a watchchain.