Definition of trompillo
: a weedy nightshade (Solanum elaeagnifolium) ranging from the central U.S. to South America with silvery foliage, violet, blue, or white flowers, and a roundish berry widely used by the natives to curdle milk —called also prairie berry, purple nightshade, silverleaf nightshade
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Origin and Etymology of trompillo
Spanish, probably diminutive of trompa horn, trumpet, nozzle, probably of Germanic origin like Italian tromba trumpet — more at trombone
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