Definition of "pieplant" []

• A plant (Rheum rhaponticum) whose acid leafstalks are used in making pies; the garden rhubarb. (noun)

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• "The common rhubarb, or pieplant, on the other hand, was common in America, but it was not used medicinally."
• "Rhubarb, or pieplant, as it is more commonly called, is one of the hardiest and at the same time a most delicious fruit."