WordReference Random House Unabridged Dictionary of American English © 2025
sour′ gum′,
- Plant Biologya tree, Nyssa sylvatica, of eastern North America, having elliptic leaves, dark-blue, berrylike fruit, and wood with a variety of commercial uses. Also called black gum, beetlebung, pepperidge. Cf. tupelo.
- 1775–85, American.
'sour gum' also found in these entries (note: many are not synonyms or translations):