(law) A person or group of people constituting a particular side in a contract or legal action.

A person who is an accessory or takes part in something.

(now rare in general sense) A group of people or characters organized together, typically for a specific purpose or activity, such as a dispute, roleplaying game, online gaming, or video game.

(politics) Political party; political group considered as a formal whole, united under one specific political platform of issues and campaigning to take part in government.

(military) A discrete detachment of troops, especially for a particular purpose.

A group of people gathered together for a particular purpose, such as entertainment, socializing, traveling, attending an event, participating in an activity, or for one person to offer items for sale to the rest of the group.

A small group of birds or mammals.

(intransitive) To celebrate at a party, to have fun, to enjoy oneself.

(intransitive, slang, euphemistic) To take recreational drugs.

(intransitive) To engage in flings, to have one-night stands, to sow one's wild oats.

(online gaming, intransitive) To form a party (with).

Of a fence or wall: shared by two properties and serving to divide them.

(heraldry) Parted or divided, as in the direction or form of one of the ordinaries.