In the context of furniture, a lozenge refers to a shape or pattern that is diamond-shaped, with two acute angles and two obtuse angles. It can be used to describe the shape of certain furniture pieces, such as tables or consoles, or the design incorporated into upholstery, woodwork, or decorative elements. The lozenge shape is often seen as an elegant and timeless design choice in furniture. Diamond-shaped. Overlays, panels, inserts of diamond shape.