CPR fairly common us noun 1. an emergency procedure consisting of external cardiac massage and artificial respiration; the first treatment for a person who has collapsed and has no pulse and has stopped breathing; attempts to restore circulation of the blood and prevent death or brain damage due to lack of oxygen Synonymscardiopulmonary resuscitationcardiac resuscitationmouth-to-mouth resuscitationkiss of life Related words Broader terms resuscitationemergency procedure Part of cardiac massageartificial respiration WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.