trous ‧ seau /ˈtruːsəʊ, truːˈsəʊ $ -soʊ/ BrE AmE noun ( plural trousseaus or trousseaux /-səʊz $ -soʊz/) [countable] old-fashioned
[ Date: 1800-1900 ; Language: French ; Origin: trousse 'bundle' , from trousser 'to tie up' ]
the clothes etc that a woman brings with her when she marries