cav·i·ty

[kav-i-tee]
noun, plural cav·i·ties.
1.
any hollow place; hollow.
2.
Anatomy. a hollow space within the body, an organ, a bone, etc.
3.
a hollow space or a pit in a tooth, most commonly produced by caries. A cavity may be artificially made to support dental restorations.

Origin:
1535–45; < Middle French cavite < Late Latin cavitās hollowness, equivalent to Latin cav(us) hollow + -itās -ity

cav·i·tied, adjective
sub·cav·i·ty, noun, plural sub·cav·i·ties.
un·cav·i·tied, adjective


1. See hole.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To cavity
00:10
Cavity is always a great word to know.
So is diaphragm. Does it mean:
a muscular, membranous or ligamentous wall separating the thoracic or chest cavity from the abdominal cavity in mammals
originating outside the anatomical limits of certain muscles or nerves
Collins
World English Dictionary
cavity (ˈkævɪtɪ) [Click for IPA pronunciation guide]
 
n , pl -ties
1.  a hollow space; hole
2.  dentistry See caries a soft decayed area on a tooth
3.  any empty or hollow space within the body: the oral cavity
4.  electronics See cavity resonator
 
[C16: from French cavité, from Late Latin cavitās, from Latin cavus hollow]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

cavity
1540s, from M.Fr. cavité, from L.L. cavitas "hollowness," from L. cavus "hollow" (see cave).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

cavity cav·i·ty (kāv'ĭ-tē)
n.

  1. A hollow area within the body, such as a sinus cavity.

  2. A pitted area in a tooth caused by caries.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
cavity   (kāv'ĭ-tē)  Pronunciation Key 
  1. A hollow; a hole.

  2. A hollow area within the body.

  3. A pitted area in a tooth caused by caries.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
They then filled the spinal cavity around the injured area with blocks of
  hydrogel laced with stem cells from rat bone marrow.
Remove the package of gizzards, heart, liver and neck from the cavity of the
  chicken.
The patient will experience a dull ache around the nose and sinus cavity that
  can be treated with pain medication.
But, it was natural cavity they said, so it wasn't my fault.
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