Definition of breastbone in English:

Share this entry

breastbone

Pronunciation: /ˈbrɛs(t)bəʊn/

noun

A thin, flat bone running down the centre of the chest, to which the ribs are attached. Also called sternum.
Example sentences
  • To get to your heart the surgeon makes an incision down the middle of your chest and separates your breastbone.
  • The heart is a hollow, muscular organ that lies in the center of the chest under the breastbone.
  • All the blood cells are formed in the marrow of the flat bones such as the skull, breastbone and pelvis.

For editors and proofreaders

Line breaks: breast|bone

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.