extended household

noun2

1. •
   A household with additional members compared to a nuclear family.

   • The low incidence of extended households in my data and the high proportion of high-caste residents precludes a meaningful test of this hypothesis here. — 1972
2. •
   During the COVID-19 pandemic, a group of people living in different places but forming a close support network, obliged to follow lockdown rules as if they belonged to a single household.