(law) Confinement of a person to his or her residence, sometimes with a limited travel allowance, ordered by a judge or other authority as a more lenient alternative to imprisonment.

Alternative form of housewarming

A house habitually kept open to callers. / An event, often in one's home, at which there are few restrictions regarding who and how many may attend.

The number of credit hours a student takes in a semester, usually for a college or university to count towards a degree.

The hour after midnight, when witches and other supernatural beings were thought to be active, and to which bad luck was ascribed.

A relatively inexpensive wine sold in a restaurant, often by the glass as well as by the bottle or unmarked carafe; both red and white are normally offered.

(US politics, as "the House") Ellipsis of House of Representatives. / (politics, Westminsterian parliamentary systems) Ellipsis of House of Commons. / (politics) Ellipsis of House of Parliament.

(usually in the plural, Britain) Point awarded to a member of the house of a grammar school or public school for sporting and other achievement.

The regular times of day when a shop, office or similar is open to the public.

(slang) Prison, jail. / (slang, obsolete) The workhouse. / A religious building of the Delaware Indians, representing the cosmos. / Used other than figuratively or idiomatically: see big, house.