1. decorated or fitted with frets (ornamental bands or geometric patterns)
Usage: often used in architecture and design contexts
2. marked or worn by fretting; chafed or irritated
Usage: less common; archaic or literary usage

Examples

• The befretted ceiling displayed intricate geometric patterns throughout the hall.
• The ornate door featured a befretted border of carved wood.
• Medieval befretted designs adorned the palace walls.
• The befretted metalwork on the gate showed skilled craftsmanship.
• Her skin was befretted from wearing the tight collar all day.