In furniture terminology, the term knop refers to a decorative element or ornamentation that is often found on furniture pieces. A knop usually appears as a small, rounded projection or knob-like structure that is applied to the surface of furniture, particularly on legs, feet, or the tops of posts or finials. Knops can be made of various materials, such as wood, metal, or glass, and they serve both functional and decorative purposes by adding visual interest and emphasizing certain design elements. A bunch of flowers and leaves. The old spelling for knobs.