Octogenary
Pronunciation : Oc*tog"e*na*ry
Part of Speech : a.
Etymology : [L. octogenarrus, from octogeni eighty each, octoginta eighty, fr. octo eight. See Eight, Eighty.]
Definition : Defn: Of eighty years of age. "Being then octogenary." Aubrey.
Source : Webster's Unabridged Dictionary, 1913