xiphoid
adjective medical specialized uk/ˈzɪf.ɔɪd/ us/ˈzɪf.ɔɪd/
剑状的
shaped like a sword (= a weapon used in the past with a long, sharp metal blade)
剑突的
relating to the xiphoid process (= a lower part of the long, flat bone in the centre of the chest)