Chatelaine

[shat-l-eyn; French shahtuh-len] /ˈʃæt lˌeɪn; French ʃɑtəˈlɛn/

noun, plural chatelaines
[shat-l-eynz; French shahtuh-len] /ˈʃæt lˌeɪnz; French ʃɑtəˈlɛn/ (Show IPA)
1.
the mistress of a castle.
2.
the mistress of an elegant or fashionable household.
3.
a hooklike clasp or a chain for suspending keys, trinkets, scissors, a watch, etc., worn at the waist by women.
4.
a woman’s lapel ornament resembling this.
/ˈʃætəˌleɪn; French ʃɑtlɛn/
noun
1.
(esp formerly) the mistress of a castle or fashionable household
2.
a chain or clasp worn at the waist by women in the 16th to the 19th centuries, with handkerchief, keys, etc, attached
3.
a decorative pendant worn on the lapel
n.

1845, from French châtelaine “a female castellan; wife of a castellan; mistress of a castle or country house;” fem. of châtelain, from Old French chastelain “owner and lord of a castle, castellan, nobleman,” from chastel (see chateau). In fashion, as a type of ornamental belt, from 1851; supposed to resemble a chain of keys.