n. [ F. châtelaine the wife of a castellan, the mistress of a chateau, a chatelaine chain. ] An ornamental hook, or brooch worn by a lady at her waist, and having a short chain or chains attached for a watch, keys, trinkets, etc. Also used adjectively;
n. [ See Muslin delaine, under Muslin. ] A kind of fabric for women's dresses. [ 1913 Webster ]