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 Redshirt freshman cornerback James Williams, who walked away from football with a third surgery to repair a torn meniscus on the horizon in February, was also recruited from the Fort Lauderdale area. Jr Radcliffe, Milwaukee Journal Sentinel, "Badgers land commitment from Florida cornerback for class of 2021," 22 June 2020 At the end of his redshirt season, McKinnie tore the meniscus in his right knee. Chris Fedor, cleveland, "Alfonzo McKinnie, with a ticking clock on his time with Cleveland Cavaliers, is fighting again to prove he belongs," 15 Jan. 2020 Trojan signal-caller JT Daniels suffered an ACL injury and a meniscus tear and will miss the remainder of the season, coach Clay Helton confirmed to reporters Sunday. Charlotte Carroll,, "Stanford vs. USC Live Stream: How to Watch Online, TV Channel, Game Time," 7 Sep. 2019 That’s the meniscus—the point where chemists measure liquids. Jamie Kiffel-alcheh, National Geographic, "STEM tricks to teach your at-home cooks," 20 May 2020 Surgery on standout guard Marcus Zegarowski’s left meniscus revealed a total team and removed any hope that the sophomore — averaging 16.1 points and 5.0 assists — could return for the Sweet 16. Ryan Ford, Detroit Free Press, "The 2020 NCAA tournament that could have been: A Sweet 16 for Michigan State basketball?," 20 Mar. 2020 Might not have had their second-leading scorer in time for the NCAA tournament: Center Marcus Zegarowski is scheduled to have surgery to repair his right knee meniscus Wednesday. Elaine Sung, Detroit Free Press, "The 2020 NCAA tournament that could have been: Midwest region," 16 Mar. 2020 But most concerning for the Timbers is the absence of right back Jorge Moreira, who tore his meniscus earlier this week, requiring surgery. oregonlive, "The Portland Timbers nab early-season win for the first time in 3 years," 9 Mar. 2020 With guidance from the medical staff of the New Orleans Pelicans, Williamson tried to correct biomechanical flaws suspected of contributing to a tear in the lateral meniscus — a rubbery, shock-absorbing cartilage on the outside of his right knee. New York Times, "Zion Williamson Is Back. Will His Knee Hold Up?," 24 Jan. 2020

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.

See More

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

Keep scrolling for more

Learn More about meniscus

Time Traveler for meniscus

Time Traveler

The first known use of meniscus was in 1685

See more words from the same year

Statistics for meniscus

Last Updated

29 Jun 2020

Cite this Entry

“Meniscus.” Dictionary, Merriam-Webster, Accessed 2 Jul. 2020.

Keep scrolling for more

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

Comments on meniscus

What made you want to look up meniscus? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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