n.
a set of clothes in a style typical of a particular country or historical period.
▸a set of clothes worn by an actor or performer for a role.
▸Brit. dated a woman's matching jacket and skirt.
v.
dress in a particular set of clothes.
Etymology
C18: from Fr., from Ital. costume ‘custom, fashion, habit’, from L. consuetudo (see custom).
