Hypertext Webster Gateway: "sexagenarian"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Sexagenarian \Sex`a*ge*na"ri*an\, n. [See {Sexagenary}.]
A person who is sixty years old.
From WordNet (r) 1.7 (wn)
sexagenarian
adj : being from 60 to 69 years old; "the sexagenarian population
is growing"
n : someone whose age is in the sixties
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