0 a tree, found especially in Australia, that produces an oil with a strong smell. The oil is used in medicine and industry:
Massive gum trees that line the boulevard also need maintenance.
The slow-growing rainforest trees have been edged out by tall eucalypts, also known as gum trees.
My countenance twists cold, a blue gum tree on the coast, blown rough by adversity.
Dealing exclusively in figures can land one up a gum tree.
They are up a gum tree—the biggest gum tree that has ever grown.
If anyone thinks that the local authority will evict miners from their homes because they have not paid rent during the strike period he is up a gum tree.
Lore has it that the concept of the gum tree originated in the 1920s when it was against the rules to chew gum in class.