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Menisci

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me⋅nis⋅cus

[mi-nis-kuhs]
–noun, plural -nis⋅ci [-nis-ahy, -nis-kahy, -kee] , -nis⋅cus⋅es.
1. a crescent or a crescent-shaped body.
2. the convex or concave upper surface of a column of liquid, the curvature of which is caused by surface tension.
3. Optics. a lens with a crescent-shaped section; a concavo-convex or convexo-concave lens.
4. Anatomy. a disk of cartilage between the articulating ends of the bones in a joint.

Origin:
1685–95; < NL < Gk mēnískos crescent, dim. of m moon


me⋅nis⋅coid [mi-nis-koid] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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me·nis·cus   (mə-nĭs'kəs)   


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n.   pl. me·nis·ci (-nĭs'ī, -kī, -kē) or me·nis·cus·es
  1. A crescent-shaped body.

  2. A concavo-convex lens.

  3. 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.

  4. A cartilage disk that acts as a cushion between the ends of bones that meet in a joint.


[New Latin, from Greek mēniskos, diminutive of mēnē, moon, month; see mē-2 in Indo-European roots.]
me·nis'cal (-kəl), me·nis'cate' (-kāt'), me·nis'coid' (-koid'), men'is·coi'dal (měn'ĭs-koid'l) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

meniscus 
"crescent-shaped body," 1693 in ref. to lenses, c.1812 in ref. to liquid surfaces, Mod.L. meniscus, from Gk. meniskos "lunar crescent," dim. of mene "moon."
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: me·nis·cus
Pronunciation: m&-'nis-k&s
Function: noun
Inflected Form: plural me·nis·ci /-'nis-"(k)I, -"kE/ also me·nis·cus·es
1 : a crescent or crescent-shaped body
2 : a fibrous cartilage within ajoint: 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 alsoexternal semilunar fibrocartilage, lateral meniscus, lateral semilunar cartilage (2) : one mostly between the medial condyles of the tibia and femur called also internalsemilunar fibrocartilage, medial meniscus, medial semilunar cartilage b : a thin oval ligament of the temporomandibular joint that is situated between the condyle ofthe 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 thatis concave when the containing walls are wetted by the liquid and convex when not
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

meniscus me·nis·cus (mə-nĭs'kəs)
n. pl. me·nis·cus·es or me·nis·ci (-nĭs'ī, -kī, -kē)

  1. A crescent-shaped body.

  2. A concavo-convex lens.

  3. The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the walls and convex if it does not.

  4. A disk of cartilage that acts as a cushion between the ends of bones in a joint.


me·nis'cal (-kəl) or me·nis'cate' (-kāt') or me·nis'coid' (-koid') or men'is·coi'dal (měn'ĭs-koid'l) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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