'Septuagenary' definitions:
Definition of 'Septuagenary'
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Septuagenary \Sep`tu*ag"e*na*ry\, a. [L. septuagenarius, fr.
septuageny seventy each; akin to septuaginta seventy, septem
seven. See Seven.]
Consisting of seventy; also, seventy years old. -- n. A
septuagenarian.
[1913 Webster]
