hamamelis

noun
ham·​a·​me·​lis | \ ˌham-ə-ˈmē-ləs How to pronounce hamamelis (audio) \

Medical Definition of hamamelis

1 capitalized : a genus of shrubs or small trees (family Hamamelidaceae) having pinnately veined leaves and clustered flowers with elongated ribbon-shaped petals and including the witch hazels
2 : the dried leaves of a witch hazel (Hamamelis virginiana) of the eastern United States used especially formerly as a tonic and sedative