Main Entry: chat·e·laine

Pronunciation: \ˈsha-tə-ˌlān\

Function: noun

Etymology: French châtelaine, feminine of châtelain

Date: 1845

1 a : the wife of a castellan : the mistress of a château b : the mistress of a household or of a large establishment
2 : a clasp or hook for a watch, purse, or bunch of keys