Definition of "ligamentum" [ligamentum]

• A ligament. (noun)

The Century Dictionary (Public Domain)

• "Within a few weeks, new connective tissue replaces the ductus arteriosus and it becomes known as the ligamentum arteriosum"
• "This abnormal branch passes behind the esophagus and gives off the vessel to the left arm (the left subclavian artery) and the ligamentum arteriosum."
• "For right aortic arch with left ligamentum arteriosum, the surgeon divides the ligamentum arteriosum so that it no longer constricts the trachea or esophagus."