Pronunciation: (shat'l-ān"; Fr. shätu-len'),[key] —n., —pl.chat•e•lainesPronunciation: (shat'l-ānz"; Fr. shätu-len').[key] 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.