chat·e·laine 
(shătl-ān′)
(shătl-ān′)n.
1.
a. The mistress of a castle.
b. The mistress of a large, fashionable household.
2. A clasp or chain worn at the waist for holding keys, a purse, a watch, or other small household items.
[French châtelaine, feminine of châtelain, chatelain, from Old French chastelain; see CHATELAIN.]
chatelaine1781 gold and enamel English chatelaine
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