meniscus
noun
me·nis·cus mə-ˈni-skəs 
plural menisci mə-ˈni-ˌskī
-ˌskē,
-ˌsī
also meniscuses 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
Example Sentences
Recent Examples on the Web This approach of enhanced self-healing with help from biologics could one day work to heal meniscus tears in the knee, or rotator-cuff injuries in the shoulder, Drs. 
Aylin Woodward, WSJ, 7 Sep. 2022 Wilson suffered a bone bruise and torn meniscus, which was repaired via arthroscopic surgery in Los Angeles Aug. 16. Dennis Waszak Jr., BostonGlobe.com, 5 Sep. 2022 Wilson suffered a bone bruise and torn meniscus, which was repaired via arthroscopic surgery in Los Angeles on Aug. 16. The Salt Lake Tribune, 5 Sep. 2022 Rapaport reported that the injury may be more serious than the typical ACL tear, citing damage to the meniscus as well as additional lateral damage. Cale Clinton, USA TODAY, 18 July 2022 Watson has missed significant time this season with a torn meniscus, and hasn't earned a win since the 2018 Travelers Championship. Adam Woodard And Riley Hamel, USA TODAY, 29 July 2022 After missing the 2021 postseason with a torn meniscus, Oregon commit Jennah Isai is back for Valley Vista, dominating opponents to the tune of 25.8 points per game. Theo Mackie, The Arizona Republic, 1 Mar. 2022 The person told The Associated Press the timeline for how long Wilson is sidelined will be determined by an arthroscopic procedure to repair the meniscus — the schedule for which is pending a second medical opinion. The Salt Lake Tribune, 13 Aug. 2022 The person told The Associated Press the timeline for how long Wilson is sidelined will be determined by an arthroscopic procedure to repair the meniscus — the schedule for which is pending a second medical opinion. Dennis Waszak Jr., BostonGlobe.com, 13 Aug. 2022 See More
Aylin Woodward, WSJ, 7 Sep. 2022 Wilson suffered a bone bruise and torn meniscus, which was repaired via arthroscopic surgery in Los Angeles Aug. 16. Dennis Waszak Jr., BostonGlobe.com, 5 Sep. 2022 Wilson suffered a bone bruise and torn meniscus, which was repaired via arthroscopic surgery in Los Angeles on Aug. 16. The Salt Lake Tribune, 5 Sep. 2022 Rapaport reported that the injury may be more serious than the typical ACL tear, citing damage to the meniscus as well as additional lateral damage. Cale Clinton, USA TODAY, 18 July 2022 Watson has missed significant time this season with a torn meniscus, and hasn't earned a win since the 2018 Travelers Championship. Adam Woodard And Riley Hamel, USA TODAY, 29 July 2022 After missing the 2021 postseason with a torn meniscus, Oregon commit Jennah Isai is back for Valley Vista, dominating opponents to the tune of 25.8 points per game. Theo Mackie, The Arizona Republic, 1 Mar. 2022 The person told The Associated Press the timeline for how long Wilson is sidelined will be determined by an arthroscopic procedure to repair the meniscus — the schedule for which is pending a second medical opinion. The Salt Lake Tribune, 13 Aug. 2022 The person told The Associated Press the timeline for how long Wilson is sidelined will be determined by an arthroscopic procedure to repair the meniscus — the schedule for which is pending a second medical opinion. Dennis Waszak Jr., BostonGlobe.com, 13 Aug. 2022 See More Word History
Etymology
New Latin, from Greek mēniskos, from diminutive of mēnē moon, crescent — more at moon
First Known Use
1685, in the meaning defined at sense 1
Medical Definition
meniscus
noun
me·nis·cus mə-ˈnis-kəs
plural menisci -ˈnis-ˌ(k)ī, -ˌkē also meniscuses
also meniscuses 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
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