1. the opening of the esophagus into the stomach
Usage: anatomy; medical
2. the heart, especially as the center of emotion or life
Usage: archaic; poetic

Examples

• The cardia is the region where food enters the stomach from the esophagus.
• Damage to the cardia can cause reflux symptoms.
• In medical imaging, the cardia appears as a distinct anatomical landmark.
• The cardia must relax properly to allow food to pass into the stomach.
• Inflammation of the cardia is called carditis.