vinegar tree

definition: common nonpoisonous shrub of eastern North America with waxy compound leaves and green paniculate flowers followed by red berries
example:
speech part: noun
synonyms: smooth sumac
definition: deciduous shrubby tree or eastern North America with compound leaves that turn brilliant red in fall and dense panicles of greenish yellow flowers followed by crimson acidic berries
example:
speech part: noun
synonyms: staghorn sumac velvet sumac

How vinegar tree is being used?