- a crescent or a crescent-shaped body.
- the convex or concave upper surface of a column of liquid, the curvature of which is caused by surface tension.
- Optics. a lens with a crescent-shaped section; a concavo-convex or convexo-concave lens.
- Anatomy. a disk of cartilage between the articulating ends of the bones in a joint.
Origin of meniscus
1685–95; < New Latin < Greek mēnískos crescent, diminutive of mḗnē moon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the curved upper surface of a liquid standing in a tube, produced by the surface tension
- a crescent or half-moon-shaped body or design
- a crescent-shaped fibrous cartilage between the bones at certain joints, esp at the knee
- a crescent-shaped lens; a concavo-convex or convexo-concave lens
Word Origin for meniscus
C17: from New Latin, from Greek mēniskos crescent, diminutive of mēnē moon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
"crescent-shaped body," 1690s in reference to lenses, c.1812 in reference to liquid surfaces, Modern Latin meniscus, from Greek meniskos "lunar crescent," diminutive of mene "moon" (see moon (n.)). Related: Meniscoid.
Online Etymology Dictionary, © 2010 Douglas Harper
- A crescent-shaped body.
- A concavo-convex lens.
- 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.
- A disk of cartilage that acts as a cushion between the ends of bones in a joint.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A lens that is concave on one side and convex on the other.
- The curved upper surface of a column of liquid in a container. The surface is concave if the molecules of the liquid are attracted to the container walls and convex if they are not. See also surface tension.
- A piece of cartilage shaped like a crescent and located at the junction of two bones in a joint. The meniscus acts to absorb shock.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.