- any of several Australian trees of the myrtle family, growing near water.
Origin of water gum
First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of several gum trees, esp Nyssa biflora (or tupelo), of swampy areas of North America: family Nyssaceae
- any of several Australian myrtaceous trees, esp Tristania laurina, of swampy ground