1.an organization to gain political power;
in 1992 Perot tried to organize a third party at the national level
2.an occasion on which people can assemble for social interaction and entertainment;
he planned a party to celebrate Bastille Day
3.a band of people associated temporarily in some activity;
they organized a party to search for food
4.a group of people gathered together for pleasure;
she joined the party after dinner
5.a person involved in legal proceedings;
the party of the first part
1.have or participate in a party;
The students were partying all night before the exam