xiphoids

/ˈzaɪfɔɪdz/
noun
  1. The small, pointed piece of cartilage at the bottom of the breastbone (sternum).
    • The doctor pressed gently on my xiphoid to check for any tenderness.
    • During CPR training, we learned to avoid pressing directly on the xiphoid.
    • An injury to the xiphoid can cause sharp pain in the upper abdomen.