breastbone

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈbrɛstbəʊn/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈbrɛstˌboʊn/ ,USA pronunciation: respelling(brest′bōn′)


WordReference Random House Learner's Dictionary of American English © 2026
breast•bone /ˈbrɛstˌboʊn/USA pronunciation   n. [countable]
  1. Anatomythe long bone in the center of the chest;
    sternum.

WordReference Random House Unabridged Dictionary of American English © 2026
breast•bone  (brest′bōn′),USA pronunciation n. 
  1. Anatomythe sternum.
  • Middle English brust-bon, Old English brēostbān. See breast, bone1 bef. 1000

Collins Concise English Dictionary © HarperCollins Publishers::
breastbone / ˈbrɛstˌbəʊn/
  1. the nontechnical name for sternum
'breastbone' also found in these entries (note: many are not synonyms or translations):
belly - body blow - carina - clavicle - false ribs - floating rib - heartburn - interclavicle - pigeon breast - ratite - slot - sternum - wishbone - xiphisternum

Forum discussions with the word(s) "breastbone" in the title:


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