Pimpernel

pim′pėr-nel, n. a plant of the primrose family, with reddish flowers—also Poor man's weather-gla , Red chickweed .— n. Pimpinel′la , a genus of umbelliferous plants— anise , pimpernel , break stone . [Fr. pimprenelle (It. pimp in ell a ), either a corr. of a L. form bipennula , double-winged, dim. of bi-pennis — bis , twice, penna , feather; or from a dim. of L. pampinus , a vine-leaf.]