Ligament

n.
  1. Anything that ties or unites one thing or part to another; a bandage; a bond.
    1. A tough band or plate of dense, fibrous, connective tissue or fibrocartilage serving to unite bones or form joints.
    2. 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.