A child's play house.

A person who stays in your house to mind it while you are away.

A theatre, or similar building, primarily used for staging opera.

(UK, formal) A pub; a British bar or tavern, often selling food and sometimes lodging; an inn.

A structure made by stacking playing cards in a pyramidal fashion. / (by extension, often attributive) Any structure with alternating vertical and horizontal layers.

(UK, politics) The House of Commons and the House of Lords within the Palace of Westminster.

plural of House of Parliament

(music) A style of music from the early rave scene in the UK.

(UK politics) The lower house of the British Parliament; a session of the house. / (Canada, politics) The lower house of the Canadian Parliament.

(Canada slang, humorous euphemistic) An outhouse: an outbuilding used as a lavatory.