cen·tau·ry 
(sĕntôr′ē)
(sĕntôr′ē)n. pl. cen·tau·ries
Any of several herbs of the genus Centaurium, especially a Eurasian species (C. erythraea) that has clusters of pink flowers and has long been used in herbal medicine.
[Middle English, from Old English centaurie, from Latin centaurēum, from Greek kentaureion, from Kentauros, centaur (from the legend that the plant's medicinal properties were discovered by the centaur Chiron).]