✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

lateral collateral ligament

noun

1
: a ligament of the outer knee that connects the lateral epicondyle of the femur with the lateral side of the head of the fibula and that helps to stabilize the knee by preventing lateral dislocation

called also fibular collateral ligament, LCL

compare medial collateral ligament sense 1
2
: radial collateral ligament

called also LCL

Browse Nearby Words

Cite this Entry

“Lateral collateral ligament.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/lateral%20collateral%20ligament. Accessed 29 Nov. 2025.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!