noun anything that ties or unites one thing or part to another; a bandage; a bond.
2. ligament ·noun a tough band or plate of dense, fibrous, connective tissue or fibrocartilage serving to unite bones or form joints.
3. ligament ·noun a band of connective tissue, or a membranous fold, which supports or retains an organ in place; as, the gastrophrenic ligament, connecting the diaphragm and stomach.