• WordNet 3.6
    • adj thirteenth coming next after the twelfth in position
    • n thirteenth position 13 in a countable series of things
    • ***
Webster's Revised Unabridged Dictionary
    • Thirteenth Constituting or being one of thirteen equal parts into which anything is divided.
    • Thirteenth Next in order after the twelfth; the third after the tenth; -- the ordinal of thirteen; as, the thirteenth day of the month.
    • Thirteenth (Mus) The interval comprising an octave and a sixth.
    • Thirteenth The next in order after the twelfth.
    • Thirteenth The quotient of a unit divided by thirteen; one of thirteen equal parts into which anything is divided.
    • ***
Century Dictionary and Cyclopedia
    • thirteenth Next after the twelfth: an ordinal numeral.
    • thirteenth Constituting any one of thirteen equal parts into which anything is divided.
    • n thirteenth One of thirteen equal parts into which anything is divided.
    • n thirteenth In early English law, a thirteenth part of the rents of the year, or of movables, or both, granted or levied by way of tax.
    • n thirteenth In music, the interval, whether melodic or harmonic, between any tone and a tone one octave and six degrees distant from it; also, a tone distant by such an interval from a given tone; a compound sixth.
    • ***


  • American Proverb
    American Proverb
    “It is bad luck to fall out of a thirteenth story window on Friday.”


Webster's Revised Unabridged Dictionary
From Thirteen: cf. AS. þreóteóða,


In literature:

There was once a father who had thirteen sons, the youngest of whom was named Thirteenth.
"Italian Popular Tales" by Thomas Frederick Crane
It was February thirteenth when he rejoined his regiment.
"The Life of Napoleon Bonaparte" by William Milligan Sloane
Mann's four-gun battery, Ross' Second Michigan, and Myer's Thirteenth Ohio batteries, were attached to Hurlbut's division.
"From Fort Henry to Corinth" by Manning Ferguson Force
The Legislature has met and ratified the Thirteenth Amendment.
"The Negro and the Nation" by George S. Merriam
Gervase of Tilbury wrote near the beginning of the thirteenth century.
"The Science of Fairy Tales" by Edwin Sidney Hartland
"Celebrated Travels and Travellers" by Jules Verne
Little more than a hundred years later, at the beginning of the thirteenth century, Innocent III.
"Library of the World's Best Literature, Ancient and Modern — Volume 11" by Various
About the beginning of the thirteenth century there dawned upon the northern nations a new era in literature.
"A History of Art for Beginners and Students" by Clara Erskine Clement
The Thirteenth was afterwards ordered to Manila.
"The History of Minnesota and Tales of the Frontier" by Charles E. Flandrau
We sighted land on the thirteenth day, and it was a welcome view.
"In the Flash Ranging Service" by Edward Alva Trueblood

In poetry:

The thirteenth generation,—
Unlucky number this!—
My grandma loved a Pirate,
And all my faults are his!
"The Cross-Current" by Abbie Farwell Brown
Though none have found his treasure,
And none his part would take,—
I bless that thirteenth lady
Who chose him for my sake!
"The Cross-Current" by Abbie Farwell Brown
There stands upon the thirteenth shield
A sprig of the mournful yew;
That’s borne by Harrald Griskeson;
And he’s a comrade true.
"The Tournament (From The Old Danish)" by George Borrow
A Scottish schooner made the port,
The thirteenth day at e’en;
“As I am a man,” the captain cried,
“A strange sight I have seen:
"Winstanley" by Jean Ingelow
A dozen girls’ chemises,
that’s love,
innocent girls’ games on a sunlit lawn,
the thirteenth, a man’s shirt,
that’s marriage,
ending in adultery and a pistol shot.
"Dance of Girls' Chemesis" by Jaroslav Seifert

In news:

Thirteenth ZigBee Compliant Platform Enters Market Aug 2, 2006 Printable format Email this Article Search.
REVIEWS A Perfect Circle, ' Thirteenth Step.
A Perfect Circle's Thirteenth Step is not one of those records.
Proceedings of the Thirteenth National Conference on Artificial Intelligence.
Her death is the thirteenth homicide of 2012 for Colorado Springs.
The oak is much more prominent in the 9% ABV Thirteenth Hour ale .
A New Hampshire Yankee, George ( Birdie ) Tebbetts of the Boston Red Sox has been voted by the fans the most popular catcher in the American League, and this is his thirteenth year of major league baseball.
Obama has his fiscal cliff as Lincoln had his Thirteenth Amendment.
Capital One is the thirteenth biggest bank in the country, with $200 billion in assets.
Wyoming Shakespeare Festival Company, based in Lander, enters its thirteenth Summer Season bringing great classical theater with an entertaining Wyoming twist to Wyoming audiences.
Harvest Wine Festival celebrates thirteenth year.
It seems to have worked, as the Finnish rider managed to qualify thirteenth.
It seems to have worked, as the Finnish rider managed to qualify thirteenth 2010 World Cup Mountain Bike.
Join Maggie Meadows from 9pm-11pm at The Thirteenth Realm .
Photos from the thirteenth week in the NFL 2012 season.

In science:

Hasinger G., 2003, in ”The emergence of cosmic structure”: Thirteenth Astrophysics Conference.
Complete Multiwavelength Characterization of Faint Chandra X-ray Sources Seen in the Spitzer Wide-Area IR Extragalactic (SWIRE) Survey
In ICDE ’97: Proceedings of the Thirteenth International Conference on Data Engineering.
First-order Complete and Computationally Complete Query Languages for Spatio-Temporal Databases
Table 13: The best fit parameters of all free parameters (top twelve parameters) and derived parameters (from the thirteenth parameter down), for the ΛCDM and all considered curvature profiles when simultaneously fitting CMB + BAO + SN + HST.
Testing the Void against Cosmological data: fitting CMB, BAO, SN and H0
It is also a part of the famous Archimedes palimpsest, transcribed in the tenth century, overwritten in the thirteenth century and discovered in 1906 by Heiberg.
Archimedes' calculations of square roots
In Proceedings of the Thirteenth International Conference on Machine Learning, pp.  -, Morgan Kaufmann.
Issues in Stacked Generalization