Wiktionary
house parties
n. (plural of house party English)
Usage examples of "house parties".
The elite, to which he belonged, visited one another in a regular round of entertainments, picnics, house parties, and afternoon teas.
Sometimes there were informal weekend house parties, the guests being artistic friends of Callista’.
I was at Claude and Ellie Boody's house, and the two house parties sort of got combined.
And so he'd come to encourage these occasional weekend house parties at which departmental staff, both past and present, were usually represented along with a sprinkling of the artists, tycoons, eccentrics and weirdos whom Silas had encountered during his very long and career.