• WordNet 3.6
    • adj octogenarian being from 80 to 89 years old
    • n octogenarian someone whose age is in the eighties
    • ***
Webster's Revised Unabridged Dictionary
    • n Octogenarian A person eighty years, or more, of age.
    • ***
Century Dictionary and Cyclopedia
    • octogenarian Eighty years of age; also, between eighty and ninety years of age.
    • n octogenarian A person eighty or eighty-odd years of age.
    • ***
Chambers's Twentieth Century Dictionary
    • n., adj Octogenarian ok-tō-je-nā′ri-an one who is eighty years old, or between eighty and ninety
    • ***


In literature:

So and so, the octogenarian, is dead.
"Jokes For All Occasions" by Anonymous
A youth of twenty, awaking to the promise of the life he is just beginning in this world, is an octogenarian in Mercury.
"Astronomy for Amateurs" by Camille Flammarion
Whom have you but a mad-cap sister, a poor dreamer of a brother-in-law, an octogenarian aunt, to look to?
"The Light of Scarthey" by Egerton Castle
He was an octogenarian.
"Ravensdene Court" by J. S. (Joseph Smith) Fletcher
Farther north the octogenarian of the Elector of Cologne resigned his see, and the evangelization of the Middle Rhine was at an end.
"The Great Events by Famous Historians, Volume 9" by Various
With the exception of a number of octogenarians and cripples, the men in Regent Street wore uniform.
"The Orchard of Tears" by Sax Rohmer
Octogenarians drive the roads every day, and manage their estates with ripe discretion and unabated interest in affairs.
"Quaker Hill" by Warren H. Wilson
The late seventies shrink from night air, even when one means to be a healthy octogenarian.
"Somehow Good" by William de Morgan
That night we lodged in the home of an old farmer, an octogenarian who had never in all his life been twenty miles from his farm.
"A Son of the Middle Border" by Hamlin Garland
I have rarely had such a treat as my talk with this hale-hearted octogenarian.
"Literary Tours in The Highlands and Islands of Scotland" by Daniel Turner Holmes

In news:

Tulsa's oldest bar, The Buckaneer, is city's hippest octogenarian .
Rangel joins Congress' octogenarian club.
Last week we predicted that octogenarian Hugh Hefner's embrace of planking would spell the end to the craze.
Things got crazy at the Playboy Mansion the other night, and Playmate Anna Sophia Berglund — Hugh Hefner's new "number one" girlfriend — got the octogenarian to engage in a bit of planking .
The octogenarians will hold a commitment ceremony Saturday, celebrating their love for each other.
Octogenarian Yachtsman on Ocean Passage Rescued.
Carthage octogenarian to receive bachelor 's degree in nursing.
(CBS) Are octogenarians too old for plastic surgery.
Infamous Octogenarian Behind Monkeyface Jesus Brings Expertise to Charles Reiffel's "Mountains and Desert," Other Works.
A three-story glass box anchored on a steep slope, designed by the architect Allyn Morris, becomes home to an octogenarian admirer.
On Sunday, an octogenarian father who came to this country 52 years ago from his native India was honored in an elaborate Hindu ceremony.
But the octogenarian media mogul's idea may still shine.
Just consider octogenarian Harry Aleo, whose brilliant Lost in the Fog tragically succumbed to cancer last year.
Octogenarians simply have a sudden fall.
Octogenarian shoots baskets over 20-somethings.