opobalsam|ɒpəʊˈbɔːlsəm| anglicized f. next. 1658Phillips, Opobalsame, the gumme, or liquor that distilleth from the Balm-tree.1730Phil.Trans. XXXVI. 285 All Sorts of Oils, Pitch, Turpentine, Opobalsams.1860Chambers' Encycl.s.v.Balsam, The finest balsam, called Opobalsam or Balm of Mecca.