■ plural noun an outer garment covering the body from the waist to the ankles, with a separate part for each leg.
Phrases
catch someone with their ~ down see catch someone with their pants down at pants .
wear the ~ informal be the dominant partner in a relationship.
Derivatives
trousered adjective
Origin
C17: from archaic trouse (sing.) from Ir. triús and Sc. Gaelic triubhas (see trews ), on the pattern of drawers .