xiphoid process
/ˈzɪfɔɪd/(亦作xiphoid cartilage)
noun
- Anatomy the cartilaginous section at the lower end of the sternum, which is not attached to any ribs, and gradually ossifies during adult life【剖】剑突（胸骨）。
词源
mid 18th cent. （as xiphoid cartilage）： xiphoid from Greek xiphoeidēs, from xiphos 'sword'.