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Definition of breastbone noun from the Oxford Advanced Learner's Dictionary

breastbone

noun
 
/ˈbrestbəʊn/
 
/ˈbrestbəʊn/
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  1. the long flat bone in the chest that the seven top pairs of ribs are connected to synonym sternumTopics Bodyc2
See breastbone in the Oxford Advanced American Dictionary
Check pronunciation: breastbone

Nearby words

buttercup
noun
 
 
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