yellow gum

Noun

 * 1) Any of various plants which produce a yellow resin, some of which are used medicinally:
 * 2)  Any of various plants of eastern Australia, especially  and ; also  the resin itself.
 * 3) * 1999,, The Hunter, Faber & Faber 2012, p. 13:
 * ‘See that yellow gum with the double trunk,’ says Jack, pointing, ‘remember him.’
 * 1) Trees of genus Nyssa, of North America and Asia.
 * 2)  Melena or black jaundice in infants.