cider gum

Noun

 * 1)  Any of various eucalypts, especially the Tasmanian tree, which has a sweet, drinkable sap.
 * 2) * 1999,, The Hunter, Faber & Faber 2012, p. 14:
 * An hour passes before the first sign of any prior trip appears . Then, not far on, a black blaze on a cider gum trunk.