chat ‧ e ‧ laine /ˈʃætl-eɪn/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Language: French ; Origin: châtelaine , from Latin castellana , from castellum ; ⇨ ↑ castle ]
formal the female owner, or wife of the owner, of a castle or large country house in France