breastbone
1 synonym for breastbone, grouped by meaning and by how common each one is.
Noun — The flat, narrow bone running down the middle of the chest, joining the ribs and collarbones.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
Came into English via Middle English brust-bon, brestbon, from Old English brēostbān (“breastbone”), equivalent to breast plus bone.
Full origin of breastbone →