A structure serving as a dwelling for one or more persons, especially for a family. A building that functions as the primary shelter or location of something: a carriage house; the lion house at the zoo. A household or family. Something, such as a burrow or shell, that serves as a shelter or habitation for a wild animal. A dwelling for a group of people, such as students or members of a religious community, who live together as a unit: a sorority house. A facility, such as a theater or restaurant, that provides entertainment or food for the public: a movie house; the specialty of the house. The audience or patrons of such an establishment: a full house. A commercial firm: a brokerage house. A publishing company: a house that specializes in cookbooks. A gambling casino. Slang A house of prostitution. A residential college within a university. A legislative or deliberative assembly. The hall or chamber in which such an assembly meets. A quorum of such an assembly. A family line including ancestors and descendants, especially a royal or noble family: the House of Orange. One of the 12 parts into which the heavens are divided in astrology. The sign of the zodiac indicating the seat or station of a planet in the heavens. Also called mansion. House music. To provide living quarters for; lodge: The cottage housed ten students. To shelter, keep, or store in or as if in a house: a library housing rare books. To contain; harbor. To fit into a socket or mortise. Nautical To secure or stow safely. To reside; dwell.