VOLVOX Meaning of VOLVOX in English [ 'vɒlvɒks ]■ noun Biology a green single-celled aquatic organism which forms minute free-swimming spherical colonies. [Genus Volvox .]Originmod. L., from L. volvere 'to roll'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004