Septuagenary
Pronunciation : Sep`tu*ag"e*na*ry
Part of Speech : a.
Etymology : [L. septuagenarius, fr. septuageny seventy each; akin to septuaginta seventy, septem seven. See Seven.]
Definition : Defn: Consisting of seventy; also, seventy years old. -- n.
Defn: A septuagenarian.
Source : Webster's Unabridged Dictionary, 1913