house party

the entertainment of guests for one or more nights at one's home, a fraternity or sorority house, etc.

the guests at such an affair or party: The house party goes sailing today.

Origin of house party

First recorded in 1875–80

So the special train from Boston brought the "house-party" down, and our two-seated buggy brought Beriah and Eben over.

Cape Cod Stories |Joseph C. Lincoln
His Excellency had turned to talk with some members of the house-party.

A Bottle in the Smoke |Milne Rae
Just The Locusts by itself would be good enough, but to be there at a house-party, and have Phil there and to see a wedding!

The Little Colonel: Maid of Honor |Annie Fellows Johnston
At last we sat down to the midday meal, and the members of the house-party began to relate their morning's adventures.

Punch, or the London Charivari, Vol. 152, June 27, 1917 |Various

No man who can do half these had better intend seriously to do some duty in a house-party in July.

The Honorable Peter Stirling and What People Thought of Him |Paul Leicester Ford

house party

a party, usually in a country house, at which guests are invited to stay for several days

the guests who are invited