black gum

noun4

1. •
   A tree native to eastern North America, Nyssa sylvatica.

   • Sweet gums and black gums and sourwoods made the woods bright now when oaks and hickories had just begun to look dull and faded. — 1958
2. •
   Certain eucalyptus trees of Australia
3. •
   Eucalyptus aggregata, of south eastern Australia
4. •
   Eucalyptus ovata, of south eastern Australia