1. relating to an atrium of the heart
Usage: medical
2. relating to an atrium or central court of a building
Usage: architectural

Examples

• The patient showed signs of atrial fibrillation on the ECG.
• Atrial septal defects are common congenital heart conditions.
• The doctor monitored the atrial pressure during surgery.
• The atrial space in the Roman house was used for receiving guests.
• Modern hospitals often feature large atrial areas with natural lighting.
• The atrial design allows for better air circulation in the building.