ACYCLOVIR Meaning of ACYCLOVIR in English [ eɪ'sʌɪklə(ʊ)ˌvɪə ]■ noun Medicine an antiviral drug used chiefly in the treatment of herpes.Origin1970s: from acycl(ic) + vir(al DNA) . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004