trous·seau (trōō'sō, trōō-sō') n.
pl.trous·seaux (-sōz, -sōz') or trous·seaus The possessions, such as clothing and linens, that a bride assembles for her marriage.
[French, from Old French, diminutive of trousse, bundle; see truss.]
1817, from Fr. trousseau, originally "a bundle," dim. of O.Fr. trousse "bundle" (see truss). Italicized as foreign at first, nativized by 1833. The O.Fr. form was borrowed into M.E. c.1225, but it fell from use.