red gumDefinition of red gum noun an Australian gum tree with smooth bark and hard dark red timber. Genera Eucalyptus (and Angophora), family Myrtaceae: many species, in particular the widespread river red gum (E. camaldulensis) [mass noun] astringent reddish kino gum obtained from some red gum trees, used for medicinal purposes and for tanning. red gum in other Oxford dictionaries Definition of red gum in the US English dictionary
