1 the occupants of a house regarded as a unit.
2 a house and its affairs.
3 (prec. by the) (in the UK) the royal household.
Phrases and idioms:
household gods
1 gods presiding over a household, esp. the lares and penates.
2 the essentials of home life. household troops (in the UK) troops nominally employed to guard the sovereign.
household word (or name)
1 a familiar name or saying.
2 a familiar person or thing.
Useful english dictionary. 2012.