Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

meniscus

play
noun me·nis·cus \mə-ˈnis-kəs\

Definition of meniscus

plural me·nis·ci play \-ˈni-ˌskī, -ˌskē, -ˌsī\ also me·nis·cus·es

  1. 1 :  a crescent or crescent-shaped body

  2. 2 :  a concavo-convex lens

  3. 3 :  the curved upper surface of a column of liquid

  4. 4 :  a fibrous cartilage within a joint especially of the knee



Origin of meniscus

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


First Known Use: 1685

Other Chemical Engineering Terms

Rhymes with meniscus


Medical Dictionary

meniscus

play
noun me·nis·cus \mə-ˈnis-kəs\

Medical Definition of meniscus

plural me·nis·ci \-ˈnis-ˌ(k)ī, -ˌkē\play also me·nis·cus·es

  1. 1:  a crescent or crescent-shaped body

  2. 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::  one mostly between the lateral condyles of the tibia and femur—called also external semilunar fibrocartilage, lateral meniscus, lateral semilunar cartilage:  one mostly between the medial condyles of the tibia and femur—called also internal semilunar fibrocartilage, medial meniscus, medial semilunar cartilageb:  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. 3:  a concavo-convex lens

  4. 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




Learn More about meniscus


Seen and Heard

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

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

pince-nez duvet kittly-benders spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ