sep‧tu‧a‧ge‧nar‧i‧an /ˌseptʃuədʒəˈneəriən, ˌseptʃuədʒɪˈneəriən $ -ˈner-/
noun [countable][
Date: 1700-1800;
Language: Latin;
Origin: septuagenarius 'containing seventy', from septuaginta 'seventy']
someone who is between 70 and 79 years old
[TahlilGaran] Dictionary of Contemporary English ▲