Answer:
Horseshoe back refers to a type of design used in furniture, typically chairs or sofas, where the backrest of the piece is curved and shaped like a horseshoe. The curved shape resembles the outline of a horseshoe, hence the name. This design element provides visual appeal and can also offer comfort and support for the person seated. Horseshoe back furniture is often considered elegant and adds a touch of sophistication to the overall aesthetic of the piece. Outward sweep in Windsor chairs, at the base of the bow of the back.