proteaPronunciation: /ˈprəʊtɪə/Definition of protea noun an evergreen shrub or small tree with large nectar-rich cone-like flower heads surrounded by brightly coloured bracts, chiefly native to South Africa. Genus Protea, family Proteaceae: many species, including P. repens, which was formerly used as a source of sweet syrup Origin:modern Latin, from Proteus, with reference to the many species of the genusprotea in other Oxford dictionaries Definition of protea in the US English dictionary