TYRRHENIAN Meaning of TYRRHENIAN in English [ tɪ'ri:nɪən ]■ adjective1》 relating to or denoting the ~ Sea or the surrounding region. 2》 archaic Etruscan. ■ noun archaic an Etruscan. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004