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breastbone

American  
[brest-bohn] / ˈbrɛstˌboʊn /

noun

  1. the sternum.


breastbone British  
/ ˈbrɛstˌbəʊn /

noun

  1. the nontechnical name for sternum

"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

breastbone Scientific  
/ brĕstbōn′ /
  1. See sternum


Etymology

Origin of breastbone

before 1000; Middle English brust-bon, Old English brēostbān. See breast, bone ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Vanellope still has no breastbone, leaving her heart covered by just by a thin layer of skin.

From BBC

Through scans, the doctors found out that the parasitic twin was attached to the teen's breastbone and was being supplied blood from a vessel in his chest.

From BBC

But a groundbreaking operation, which required his breastbone to be split open, saved his career and enabled him to represent England again and win the Premiership with Saracens in 2023.

From BBC

Spatchcocking involves using kitchen shears to cut out the backbone of the turkey and flipping it breast side up, pushing on that breastbone hard to crack it, allowing the turkey to lie flat.

From Seattle Times

Aim for the center of the chest over the breastbone, or sternum.

From New York Times