ˈdu̇rnˌbüm noun
( -s )
Etymology: obsolete Afrikaans (now doringboom ), from obsolete Afrikaans doorn thorn (now doring ) (from Middle Dutch dorn ) + Afrikaans boom tree, from Middle Dutch; akin to Old High German dorn thorn & to Old High German boum tree — more at thorn , beam
: a southern African thorny shrub or small tree ( Acacia horrida ) whose bark is used in tanning