trousseau UK /ˈtɹuːsəʊ/US /ˈtɹuˌsoʊ/ noun2 •The clothes and linen, etc., that a bride collects or that is given to her for her wedding and married life, especially a traditional or formal set of these.Consequently, having decided to divide her daughter's trousseau into two parts, a lesser and a larger, the Princess eventually consented to have the wedding before Advent. — 1918 •(no longer used) A bundle. formstrousseaus · trousseaux