n. 1. a tough band of white fibrous connective tissue that links two bones together at a joint. Ligaments are inelastic but flexible; they both strengthen the joint and limit its movements to certain directions. 2. a sheet of peritoneum that supports or links together abdominal organs.
Two strong ligaments in the interior of the knee-joint, which cross one another like the limbs of the letter X. They are so attached as to become taut when the lower limb is straightened, and they prevent over-extension or bending forwards at the knee. The cruciate ligaments are sometimes strained or torn as a result of sporting injuries or vehicular accidents; surgery may be needed to repair the damage, but the knee will be permanently weakened.... cruciate ligaments