me·​nis·​cus | \ mə-ˈni-skəs How to pronounce meniscus (audio) \
plural menisci\ mə-​ˈni-​ˌskī How to pronounce menisci (audio) , -​ˌskē , -​ˌsī \ also meniscuses

Definition of meniscus

1 : a crescent or crescent-shaped body
2 : a concavo-convex lens
3 : the curved upper surface of a column of liquid
4 : a fibrous cartilage within a joint especially of the knee

Examples of meniscus in a Sentence

Recent Examples on the Web

The former 18th overall pick from the 2018 draft is looking to redeem himself after suffering a torn meniscus and playing just 17 games during the 2018-19. Dana Scott, azcentral, "NBA Summer League: Six players who have had break out performances," 9 July 2019 Then came a torn meniscus in the left knee in the summer of 2018, surgery, more rehab. Dom Amore,, "Dom Amore: At UConn, Mamadou Diarra finds peace, purpose, as his playing days end too soon," 8 July 2019 Returning from a torn meniscus, Quick finished the season a sub-.900 save percentage for the first time as a starter and had the worst year of his career. The Si Staff,, "A Question for Each NHL Team to Answer in the Offseason," 30 June 2019 More serious conditions include tears in the anterior cruciate ligament (ACL) and meniscus. Beacon Orthopaedics,, "This doctor’s soccer background is an asset when treating athletes," 28 June 2019 The former Alabama All-American tore the anterior cruciate ligament and meniscus in his left knee on Sept. 17 in Jacksonville’s game against the New England Patriots. Mark Inabinett |,, "Jacksonville Jaguars expect Cam Robinson to return ‘sometime during training camp’," 16 June 2019 Santos manager Alex Davis confirmed to ESPN that the fighter tore the ACL, MCL, PCL and meniscus of his left knee in the main event in Las Vegas after tests came back Monday. Charlotte Carroll,, "Thiago Santos Fought Jon Jones Through ACL, MCL, PCL, Meniscus Tears," 8 July 2019 King suffered a torn meniscus during his senior year of high school and minor injuries to his right hand and left ankle while at UO., "Oregon’s Louis King signs two-way contract with Detroit Pistons, per report," 24 June 2019 Garland underwent surgery on his left meniscus in November. Alaa Abdeldaiem,, "2019 NBA Draft Grades: Cavaliers Select Darius Garland With No. 5 Pick," 20 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'meniscus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of meniscus

1685, in the meaning defined at sense 1

History and Etymology for meniscus

New Latin, from Greek mēniskos, from diminutive of mēnē moon, crescent — more at moon

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Last Updated

9 Aug 2019

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The first known use of meniscus was in 1685

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More Definitions for meniscus


me·​nis·​cus | \ mə-ˈnis-kəs How to pronounce meniscus (audio) \
plural menisci\ -​ˈnis-​ˌ(k)ī, -​ˌkē How to pronounce menisci (audio) \ also meniscuses

Medical Definition of meniscus

1 : a crescent or crescent-shaped body
2 : a fibrous cartilage within a joint:
a : either of two crescent-shaped lamellae of fibrocartilage that border and partly cover the articulating surfaces of the tibia and femur at the knee : semilunar cartilage:
(1) : one mostly between the lateral condyles of the tibia and femur

called also external semilunar fibrocartilage, lateral meniscus, lateral semilunar cartilage

(2) : one mostly between the medial condyles of the tibia and femur

called also internal semilunar fibrocartilage, medial meniscus, medial semilunar cartilage

b : a thin oval ligament of the temporomandibular joint that is situated between the condyle of the mandible and the mandibular fossa and separates the joint into two cavities
3 : a concavo-convex lens
4 : the curved upper surface of a liquid column that is concave when the containing walls are wetted by the liquid and convex when not

More from Merriam-Webster on meniscus

Rhyming Dictionary: Words that rhyme with meniscus

Nglish: Translation of meniscus for Spanish Speakers

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to shake or wave menacingly

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