n.pl. 1 an outer garment reaching from the waist usu. to the ankles, divided into two parts to cover the legs. 2 (trouser) (attrib.) designating parts of this (trouser leg). trouser-clip = bicycle-clip. trouser suit a woman's suit of trousers and jacket. wear the trousers be the dominant partner in a marriage. trousered adj. trouserless adj.
[ archaic trouse (sing.) f. Ir. & Gael. triubhas TREWS: pl. form after drawers ]