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 Ebobisse suffered a meniscus tear at a U.S. men’s under-23 camp and had surgery on Dec. 10, forcing him to miss all of the Timbers’ preseason scrimmages in Costa Rica earlier this month. oregonlive, "Portland Timbers kick off preseason tournament with 2-1 win over Vancouver Whitecaps," 17 Feb. 2020 Such parts could include blood vessels, meniscus cartilage, and other minor parts. Kyle Mizokami, Popular Mechanics, "3D Printed Body Parts Could One Day Help Wounded Soldiers," 20 Feb. 2020 The Lady Cougars will be without their star for the entirety of the 2020 season due to injuries to her MCL and meniscus last year. Elliott Lapin, Houston Chronicle, "Softball: Oklahoma State commit Maggie Herdejurgen will miss the entire 2020 season due to injuries," 12 Feb. 2020 The condition only deteriorated over time, with a pair of surgeries to remove cartilage and meniscus, leaving his knee with little cushion to prevent his bones from grinding against each other. Greg Luca,, "UTSA’s Byron Frohnen continues march toward school records," 24 Jan. 2020 The meniscus was trimmed during surgery in October. New York Times, "Zion Williamson Is Back. Will His Knee Hold Up?," 24 Jan. 2020 McGregor, who is recovering from a torn MCL, PCL and meniscus in his right knee, will likely continue rehabbing throughout the winter semester. Orion Sang, Detroit Free Press, "Michigan football recruiting: These 8 players have enrolled early from the 2020 class," 6 Jan. 2020 The Portland Timbers announced through a news release today that midfielder Andrés Flores has undergone surgery at Sports Medicine Oregon to repair a medial meniscus tear in his left knee. The Oregonian/, oregonlive, "Portland Timbers midfielder Andres Flores undergoes surgery to repair meniscus tear in left knee," 23 Jan. 2020 Jean-Marc Etienne, a senior running back and defensive back who tore his right ACL and meniscus against Warren in week eight, said junior wide receiver Jayden McFadden stepped up when others were hurt. Steve Sadin,, "Stevenson powers through injuries but can’t clinch playoff berth," 26 Oct. 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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Time Traveler for meniscus

Time Traveler

The first known use of meniscus was in 1685

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Statistics for meniscus

Last Updated

4 Apr 2020

Cite this Entry

“Meniscus.” Dictionary, Merriam-Webster, Accessed 10 Apr. 2020.

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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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