THALLOPHYTE Meaning of THALLOPHYTE in English [ 'θalə(ʊ)fʌɪt ]■ noun Botany a plant consisting of a thallus.OriginC19: from mod. L. Thallophyta (former taxon), from Gk thallos (see thallus ) + -phyte . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004