breastbone
/ˈbrɛstˌboʊn/
noun
- The flat, narrow bone in the center of the chest that connects the ribs; also called the sternum.
- The doctor pressed gently on her breastbone to check for tenderness.
- He broke his breastbone in a car accident.
- The bird's breastbone is shaped like a keel to support flight muscles.
Synonyms