Big House

The slang term "big house" or "the big house" refers to a prison or penitentiary, emphasizing its large, imposing size. The phrase has been used to describe such facilities for over a century, possibly originating from the large, luxurious houses of landlords that were sometimes converted to hold prisoners. Examples include "He spent four years in the big house" and "Prison gangs flourish in the big house because they offer protection on the inside". The term may have originated to describe the "big house" of a landlord, which sometimes served as a place of detention. Prisons themselves are often large buildings, a fact that is reflected in the name "big house".

Several college football stadiums have capacities for more than 100,000 people, but no college stadium is bigger than Michigan Stadium in Ann Arbor. With a capacity of 107,601, the "Big House" is the largest college football stadium, as the NCAA notes. So, yeah, it's big.

A large house can be called a mansion, an estate, a villa, or a great house, depending on its features and the context. A mansion is a large, luxurious house, while an estate refers to a large property with a house and multiple other buildings and extensive grounds. A villa is also a large, luxurious house, often in a country setting, and a great house is a term for a large house of importance, historically associated with wealthy landowners or central to plantations. This term emphasizes luxury, high-quality materials, and amenities like swimming pools, tennis courts, or home theaters, typically with a large footprint and many rooms. An estate is a broad term that includes a large amount of land along with the house, often with additional structures like guest houses, barns, or greenhouses, and the space to farm or keep livestock. Often used for large, opulent homes, especially in rural or suburban settings, and can imply a focus on leisure and entertainment. A historic term for the primary residence on a plantation or for the grand residences of the wealthy, often signifying importance and status.

The name “Big House” emphasizes the prison's imposing size. In the past, many prisons were in fact large houses, castles or palaces, which were converted into prisons. This also may have contributed to the term.

Historically, a "Big House" often referred to the main residence of a plantation or a wealthy landowner. These structures were typically grand and imposing, designed to showcase status and wealth. Architectural features often included spacious rooms, high ceilings, elaborate decorative elements, and extensive grounds. They were built with durable, high-quality materials and sometimes incorporated features for comfort and entertainment such as large porches, gardens, and outbuildings.