buckthorn noun.
['bʌkƟɔ:n] L16.[from BUCK noun1 + THORN noun, translating mod. Latin cervi spina stag's thorn.]A shrub or small tree of the genus
Rhamnus (family Rhamnaceae);
esp. (more fully
purging buckthorn) the shrub
R. cathartica, whose berries yield sap-green and are strongly cathartic.
ALDER buckthorn.
SEA buckthorn.
[TahlilGaran] English Dictionary ▲