a social gathering, as of invited guests at a private home, for conversation, refreshments, entertainment, etc.: a cocktail party.
a group gathered for a special purpose or task: a fishing party; a search party.
a detachment, squad, or detail of troops assigned to perform some particular mission or service.
a group of persons with common purposes or opinions who support one side of a dispute, question, debate, etc.
a group of persons with common political opinions and purposes organized for gaining political influence and governmental control and for directing government policy: the Republican Party; the Democratic Party.