American Heritage® Dictionary of the English Language, Fourth Edition
- n. A crescent-shaped body.
- n. A concavo-convex lens.
- n. The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls and convex if it does not.
- n. A cartilage disk that acts as a cushion between the ends of bones that meet in a joint.
Century Dictionary and Cyclopedia
- n. A crescent or crescentshaped body. Specifically
- n. A lens, convex on one side and concave on the other, and thicker in the center, so that its section presents the appearance of the moon in its first quarter. As the convexity exceeds the concavity, a meniscus may be regarded as a convex lens (also called a converging meniscus); the corresponding form in which the convexity is less than the concavity is sometimes but improperly called a diverging meniscus. See cut under
- n. The convex or concave surface of a liquid, caused by capillarity: thus, the mercury in a barometer has a convex meniscus, but spirit or water a concave meniscus.
- n. In anatomy, an interarticular fibrocartilage, of a rounded, oval, disklike, or falcate shape, situated between the ends of bones, in the interior of joints, attached by the margins. Such cartilages are found in man in the tem-poromaxillary, the sternoclavicular, and sometimes the acromioclavicular articulations, and in the wrist- and knee-joints.
- n. In zoology, a peculiar organ, of doubtful function, found in Echinorhynchus, a genus of acanthocephalous parasitic worms.
GNU Webster's 1913
- n. A crescent.
- n. (Opt.) A lens convex on one side and concave on the other.
- n. (Anat.) An interarticular synovial cartilage or membrane; esp., one of the intervertebral synovial disks in some parts of the vertebral column of birds.
- n. (anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint
- n. (optics) a lens that is concave on one side and convex on the other
- n. (physics) the curved upper surface of a nonturbulent liquid in a vertical tube
- From Ancient Greek μηνίσκος (mēniskos, "crescent"), from μήνη (mēnē, "moon") (Wiktionary)
- New Latin, from Greek mēniskos, diminutive of mēnē, moon, month. (American Heritage® Dictionary of the English Language, Fourth Edition)
“There are many, many other reasons for pain in knee, but the meniscus is the structure we focus on and see.”
“He had a torn meniscus, which is the same thing, it's a torn muscle.”
“A well-known consequence of this difference is that in a narrow tube the surface of the liquid - the so-called meniscus - stands higher at the circumference than at the centre in the case of water; with quicksilver it is just the reverse.”
“Having more precise information about wear and tear on this portion of the knee - a blend of fibrous tissue and cartilage called the meniscus - could lead to its use as a biomarker in predicting who is at risk for developing osteoarthritis, researchers say.”
“Torn miniscus: The meniscus is a curved piece of cartilage in your knee, which can be torn if the knee suffers a trauma.”
“The meniscus is a gel-filled pad that sits between the bones and protects the joint when we run or jump.”
“The meniscus is a rubber-like, crescent moon-shaped cartilage cushion that sits between the leg and ...”
“The meniscus is a C-shaped piece of cartilage in each of the knee joints.”
“The meniscus is a piece of cartilage in the knee that serves as its shock absorber.”
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