01 n. The masterwort (Peucedanum Ostruthium), a tall and coarse European umbelliferous plant.
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1.
The masterwort (Peucedanum Ostruthium), a tall and coarse European umbelliferous plant.(Bot.)
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2.
A biennial weed in Europe and America having large pinnate leaves and yellow flowers and a bitter and somewhat poisonous root; the ancestor of cultivated parsnip; called also wild parsnip.(Bot.) Also: wild parsnip