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smooth sumac

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noun
  1. a shrub or small tree, Rhus glabra, of the cashew family, native to North America, having pinnate leaves and green flowers in a dense terminal cluster.
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Origin of smooth sumac

An Americanism dating back to 1805–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018