Definitions
1.nounCollectively, all the persons who live in a given house; a family including attendants, servants etc.; a domestic or family establishment.
2.nounA line of ancestry; a race or house.
3.adjectiveBelonging to the same house and family.
4.adjectiveFound in or having its origin in a home.
5.adjectiveWidely known to the public; familiar."a household word; a household name"