Definition of matagouri in English:
matagouri
noun matəˈɡʊərɪmatəˈɡaʊrɪ
NZ A thorny shrub of New Zealand, Discaria toumatou (family Rhamnaceae). Also called Irishman, wild Irishman, tumatakuru.
Origin
Mid 19th century. Shortened from Maori tūmatakuru tumata-kuru.