1. relating to or involving a hiatus, especially an opening or gap in an anatomical structure
Usage: medical; anatomical

Examples

• A hiatal hernia occurs when part of the stomach pushes through the hiatal opening in the diaphragm.
• The doctor explained that the patient's hiatal condition required careful monitoring.
• Hiatal hernias are common and often cause acid reflux symptoms.
• The radiologist identified a hiatal defect during the imaging study.
• Many people with hiatal hernias experience heartburn after eating large meals.