breastbone

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Related to breastbones: sternebrae

breastbone

(brĕst′bōn′)
n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

breastbone

The STERNUM.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
References in classic literature ?
I should have died even then but for that as my sword was tight wedged in the breastbone of a Dator of the First Born.
And I struck him in the throat above the breastbone. .
And tilting his head know- ingly, he tapped his breastbone to indicate that she had a good heart: not hard, not fierce, open to com- passion, charitable to the poor!