Source : Webster's Revised Unabridged Dictionary (1913)

Trousseau \Trous`seau"\ (tr[=oo]`s[=o]"), n. [F., fr. OF.
   trossel, dim. of trousse a bundle, truss. See {Truss}.]
   The collective lighter equipments or outfit of a bride,
   including clothes, jewelry, and the like; especially, that
   which is provided for her by her family.

Source : WordNet®

trousseau
     n : the personal outfit of a bride; clothes and accessories and
         linens
     [also: {trousseaux} (pl)]