xiphoid process From WikiWord Entry Discussion Read Edit View history Contents EnglishPronunciationNounRelated termsReferences English Pronunciation IPA /ˈzɪˌfɔɪd ˈpɹɑˌsɛs/ Nounxiphoid process nounThe cartilaginous extension of the lower sternum; the xiphisternum. Related termsSynonymsxiphoidxiphisternummetasternumxyphoidxiphosternumsternumpterygoid processuncinate processstyloid processcoracoid processepisternumcoracoiddiapophysisclinoid processspinous processmesosternum References Wiktionary — xiphoid process Wikipedia — xiphoid process