from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The enclosing structure formed by the ribs and the bones to which they are attached.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A part of the skeleton within the thoracic area consisting of ribs, sternum and thoracic vertebrae.
  • n. The enclosed area created by and within the ribs.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the bony enclosing wall of the chest


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