ROTAVIRUS Meaning of ROTAVIRUS in English [ 'rəʊtəˌvʌɪrəs ]■ noun Medicine any of a group of wheel-shaped RNA viruses, some of which cause acute enteritis in humans.Origin1970s: mod. L., from L. rota 'wheel' + virus . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004