breastbone
US /ˈbrest.boʊn/
UK /ˈbrest.boʊn/

1.
esterno
a flat bone in the human chest, to which the ribs are attached
:
•
The doctor examined the patient's breastbone for any abnormalities.
O médico examinou o esterno do paciente em busca de anormalidades.
•
He felt a sharp pain in his breastbone after the fall.
Ele sentiu uma dor aguda no esterno após a queda.