POINSETTIA Meaning of POINSETTIA in English n. a shrub, Euphorbia pulcherrima, with large showy scarlet or pink bracts surrounding small yellow flowers. [ mod.L f. J. R. Poinsett, Amer. diplomat d. 1851 ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012