xiphoid

adj. resembling a sword (Anatomy)

n. of or related to cartilage at lower end of sternum or breastbone (Anatomy)

The xiphoid process is a small cartilaginous extension to the lower part of the sternum which is usually ossified in the adult human. By age 15 to 29, the xiphoid usually fuses to the body of the sternum with a fibrous joint. Unlike the synovial articulation of major joints, this is non movable. Much the way the first seven ribs articulate with the sternum, the cartilage in the solar plexus joins on the xiphoid process, reinforcing it, and indirectly attaches the costal cartilage to the sternum.
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(a.)
Of or pertaining to the xiphoid process; xiphoidian.
  

(a.)
Like a sword; ensiform.
  

Sword shaped

xiphoid /'zifɔid/
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