vis medicatrix naturae Syllabification: (vis me·di·ca·trix na·tu·rae)Pronunciation: /ˈvis ˌmediˈkātriks nəˈto͝orē, ˈwēs ˌmediˈkätriks näˈto͝orˌī/Definition of vis medicatrix naturae noun the body’s natural ability to heal itself. Origin:Latin, 'the healing power of nature'vis medicatrix naturae in other Oxford dictionaries Definition of vis medicatrix naturae in the British & World English dictionary