ligament

noun

lig·​a·​ment ˈli-gə-mənt 

1

: a tough fibrous band of tissue connecting the articular extremities of bones or supporting an organ in place

2

: a connecting or unifying bond

… the law of nations, the great ligament of mankind.

—Edmund Burke

ligamentous

ˌli-gə-ˈmen-təs 

adjective

Examples of ligament in a Sentence

He sprained ligaments in his knee.

Recent Examples on the Web

Davis has been able to play in only 20 games and is sidelined again, this time with ligament damage in his left hand. —Christian Clark, New York Times, 14 Jan. 2026

Hamilton points to research on female athletes that found higher rates of ligament injuries at certain points in the cycle, likely linked to estrogen’s effects on connective tissue. —Jackie Snow, Los Angeles Times, 14 Jan. 2026

Purdy, rendered ineffective by a torn ligament in his right elbow on the opening drive against the Eagles in a disastrous NFC title game loss three seasons ago, completed all three passes for 74 yards and capped the drive with a 2-yard touchdown pass to Demarcus Robinson. —Dan Gelston, Twin Cities, 12 Jan. 2026

Kittle’s exit cast an eerily familiar pall over the 49ers’ prospects as three years earlier here, when Purdy sustained a torn elbow ligament on their opening drive of the NFC Championship Game. —Cam Inman, Mercury News, 11 Jan. 2026

Word History

Etymology

Middle English, from Medieval Latin & Latin; Medieval Latin ligamentum, from Latin, band, tie, from ligare

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing ligament

• anterior cruciate ligament
• cruciate ligament
• medial collateral ligament
• posterior cruciate ligament
• suspensory ligament
• ulnar collateral ligament
• ulnar collateral ligament reconstruction

Kids Definition

ligament

noun

lig·​a·​ment ˈlig-ə-mənt 

: a tough band of tissue that holds bones together or keeps an organ in place in the body

Etymology

Middle English ligament "connecting tissue, ligament," derived from Latin ligamentum "band, something used for tying," from ligare "to bind, tie" — related to ally

Medical Definition

ligament

noun

lig·​a·​ment ˈlig-ə-mənt 

1

: a tough band of tissue that serves to connect the articular extremities of bones or to support or retain an organ in place and is usually composed of coarse bundles of dense white fibrous tissue parallel or closely interlaced, pliant, and flexible, but not extensible

2

: any of various folds or bands of pleura, peritoneum, or mesentery connecting parts or organs