gum tree

Short definition from Wiktionary

Noun

1. 1
   Any of various types of trees in various taxa; an individual of any such type: A eucalyptus tree, including trees now placed in the genera Angophora and Corymbia.
2. 2
   Any of various types of trees in various taxa; an individual of any such type: Sapium glandulosum, found from northern Argentina to southern Mexico.
3. 3
   Alternative spelling of gum tree.