CEANOTHUS Meaning of CEANOTHUS in English [ ˌsi:ə'nəʊθəs ]■ noun a shrub with dense clusters of small blue flowers, native to North America. [Genus Ceanothus .]Originmod. L., from Gk keanōthos , a kind of thistle. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004