In Western architecture, a lounge, also called a lounge room, lounge or sitting room, is a room in a residential house or house for relaxing and socializing. Such a room is typically called a front room when it is close to the primary entrance on the front of the house. In large formal homes, a sitting room is often a small private residing area adjoining to a bedroom, such because the Queen's Sitting Room and the Lincoln Sitting Room of the White House. The time period lounge was coined in the late 19th or early twentieth century.
In homes that lack a parlour or drawing room, the lounge can also perform as a reception room.
A typical Western lounge could contain furnishings reminiscent of a sofa, chairs, occasional tables, coffee tables, bookshelves, electrical lamps, rugs, or different furniture. Historically, a sitting room in the United Kingdom and New Zealand has a hearth, dating from when this was essential for heating. In a Japanese sitting room, called a washitsu, the ground is roofed with tatami, sectioned mats, on which individuals can sit comfortably.