sour gum

/ˌsaʊər gəm/

Other forms: sour gums

Definitions of sour gum

1. noun

   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: Nyssa sylvatica, black gum, pepperidge

   type of:

   tupelo, tupelo tree

   any of several gum trees of swampy areas of North America