(business, commerce) Someone not directly involved in a transaction; an entity beyond the seller (first party) and customer (second party).

(slang, derogatory) A gathering with many more men than women.

A political party formed by members of an existing one whose views or policies differ from those of the majority.

The bride and groom as well as the bridesmaids and groomsmen at a wedding.

The particular green party of a country or region.

(law) The party in a civil lawsuit whom the factfinder determines to be right, and who, in some jurisdictions, may recover attorney's fees and other expenses associated with the prosecution or defense of the lawsuit.

(colloquial, derogatory) A college, university, or any institution of higher learning in which there exists a culture of ribaldry and licentiousness amongst the student population.

A bus, often, a converted school bus, or other large vehicle used to transport large numbers of people to strip clubs, taverns and other party spots.

A shallow flat receptacle with a raised edge or rim, used for carrying, holding, or displaying appetizers. / Such a tray with prepared appetizers arranged on it.

Of or relating to someone (a first party) directly involved in a given transaction, such as a buyer or seller. / Of or relating to the plaintiff in a lawsuit.