party-n; 4 Senses

Sense Number 1: festive social event, celebration

Commentary: PARTY[+event][+social][+festivity] a occasion on which people can assemble for social interaction and entertainment.

Examples:
He planned a party to celebrate Bastille Day.
We are throwing a bachelor party for Fred.
Sally's daughter had fifteen guests at her slumber party.
Mary is such a party girl.

Mappings:
PropBank: party.01
WordNet 3.0 Sense Numbers: 4

Sense Number 2: a band of people participating together

Commentary: PARTY[+entity][+group][+people][+participating] company - a band of people associated temporarily in some activity

Examples:
They have organized a search party to look for the children.
The tribe organized a war party to avenge the slaying of its chief.
The three women in pale blue gowns are part of the wedding party.
They only have patio tables for parties of two at the moment.
It's unclear whether or not he was a party to the slayings. (participant)

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 1

Sense Number 3: political organization

Commentary: PARTY[+entity][+group][+organization][+political] an organization to gain political power

Examples:
In 1992 Perot tired to organize a third party at the national level.
She is the leader of the minority party in congress.
He was a big party boss in Chicago for twenty years.
Several Republican senators have broken with the party line on this issue.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 1

Sense Number 4: one person, individual

Commentary: PARTY[+entity][+individual][+person] used as a substitute for person, often in legal proceedings

Examples:
The party of the first part claims innocence.
The injured party is suing for 3 million dollars.
Mr. Jones please meet your party at the White Courtesy Desk.
Could you please help the party on Line 2?
Each party must sign copies of both forms.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 5