breastbone

== English == === Alternative forms === breast bone === Etymology === From Middle English brust-bon, brestbon, from Old English brēostbān (“breastbone”), equivalent to breast +‎ bone. === Pronunciation === === Noun === breastbone (plural breastbones) (anatomy) The central narrow bone in the front of the chest, connecting the collarbone and the top ribs. ==== Synonyms ==== sternum ==== Translations ====