ETYM Old Eng. pione, pioine, pioni, Old Fren. pione, French pivoine, Latin paeonia. Related to Paean.
Any of numerous plants widely cultivated for their showy single or double red or pink or white flowers; SYN. paeony.
Any perennial plant of the genus Paeonia, family Paeoniaceae, remarkable for their brilliant flowers. Most popular are the common peony p. officinalis, the white peony p. lactiflora, and the taller tree peony p. suffruticosa.