centaury UK /ˈsɛntɔːɹɪ/US /ˈsɛntɔɹi/noun 9forms 1 noun9 •Any of the flowering plants in or formerly in the genus Centaurium. •Centaurium, sensu stricto •Gyrandra, a genus in Gentianaceae, formerly included in Centaurium, with species commonly called centaury •Schenkia, a genus in Gentianaceae, formerly included in Centaurium, with species commonly called centaury •Zeltnera, a New World genus in Gentianaceae, formerly included in Centaurium, with species commonly called centaury •Any of diverse other plants. •Centaurea, a genus in the Asteraceae containing species sometimes called centaury •Cheirolophus crassifolius, a species in the Asteraceae commonly known as Maltese centaury •Sabatia, a New World genus in the Gentianaceae containing species sometimes called centaury formscentauries