Sosia Transforsofa

A couch is an item of furniture designed to seat more than one person and providing support for the back and arms. Typically, it will have an armrest on either side. In homes couches are normally found in the family room, living room, den or the lounge. They consist of a wooden or metal structure supplemented by padding and are covered in a variety of textiles, leather, or sometimes a combination of both. They will also be found in hotels and parts of commercial offices, furniture stores, etc.
The term 'couch' is used in North America, Australia (most commonly known as a lounge), New Zealand, and sometimes the United Kingdom. Other terms synonymous with the above definition of couch are sofa (derived from the Arabic word suffah), settee, chesterfield and canapé.