from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See xiphisternum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The cartilaginous extension of the lower sternum; the xiphisternum.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. smallest of the three parts of the breastbone; articulates with the corpus sternum and the seventh rib
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