HyperDic: sour_gum

English > 1 sense of the expression *sour gum*:
NOUN	plant	sour gum, black gum, pepperidge, Nyssa sylvatica	columnar tree of eastern North America having horizontal limbs and small leaves that emerge late in spring and have brilliant color in early fall

English > *sour gum*: 1 sense > noun 1, plant
Meaning	columnar tree of eastern North America having horizontal limbs and small leaves that emerge late in spring and have brilliant color in early fall.
Synonyms	black gum, pepperidge, Nyssa sylvatica
Broader	tupelo, tupelo tree	Any of several gum trees of swampy areas of North America