ACACIA Meaning of ACACIA in English [ ə'keɪʃə , -sɪə ]■ noun a tree or shrub of warm climates which has yellow or white flowers. [Genus Acacia : numerous species.]OriginME: via L. from Gk akakia . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004