- any of a genus (Rhamnus) of thorny trees or shrubs of the buckthorn family, bearing small greenish flowers and purple berries
- any of a genus (Bumelia) of trees of the sapodilla family, native to the S U.S.
Origin of buckthornbuck + thorn
designating a family (Rhamnaceae, order Rhamnales) of dicotyledonous shrubs and trees, including the cascara, jujube, and redroot
- Any of various shrubs or small trees of the genera Rhamnus and Frangula, including several ornamentals, medicinal species such as the cascara buckthorn, and the invasive species R. cathartica.
- See bumelia.
Origin of buckthornTranslation of New Latin cervī spīna cervī genitive of cervus deer, buck spīna thorn