An L-shaped couch is a sectional sofa designed in the shape of the letter "L," typically consisting of two connected seating sections.

A couch, also known as a sofa, settee, futon, or chesterfield (see Etymology below), is a piece of furniture for seating two or three people. It is commonly found in the form of a bench, with upholstered armrests, and often fitted with springs and tailored cushions.