Ligament

n.	1.	Anything that ties or unites one thing or part to another; a bandage; a bond. Interwoven is the love of liberty with every ligament of your hearts. - Washington.
	2.	(Anat.) A tough band or plate of dense, fibrous, connective tissue or fibrocartilage serving to unite bones or form joints.

Noun	1.	ligament - a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs
	2.	ligament - any connection or unifying bond

bone, braid, brail, cable, cartilage, cord, knot, ligation, ligature, line, link, nexus, ossicle, rope, spun yarn, string, tendon, thong, tie, twine, twist, vinculum, wire, yarn, yoke