1. plural of hemicycle; semicircular or half-circular structures, spaces, or arrangements
Usage: commonly used in architecture and parliamentary contexts
2. semicircular seating arrangements in legislative chambers or amphitheaters
Usage: architecture and government

Examples

• The European Parliament's hemicycles are designed to facilitate debate among representatives.
• Ancient Roman amphitheaters featured hemicycles for optimal acoustics and sightlines.
• The architect incorporated hemicycles into the building's facade for aesthetic appeal.
• Legislative hemicycles promote face-to-face interaction among lawmakers.
• The museum's hemicycles displayed sculptures in a semicircular arrangement.