Sentence:  The famous novelist was dressed in a badly fitting sleazy purple dress and a shapeless Napoleonic hat, with gloves and a long <WSD>chatelaine</WSD>; but the costume only heightened her air of distinction. 
Meaning of the word marked with <WSD> tags:  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.