ROOIBOS Meaning of ROOIBOS in English n. S.Afr. 1. an evergreen shrub of the genus Aspalathus, with leaves used to make tea. 2 a shrub or small tree, Combretum apiculatum, with spikes of scented yellow flowers. Etymology: Afrik., red bush Oxford English vocab. Оксфордский английский словарь. 2012