fifteenth

[ fif-teenth ]

/ ˈfɪfˈtinθ /

next after the fourteenth; being the ordinal number for 15.

being one of 15 equal parts.

a fifteenth part, especially of one (1/15).

the fifteenth member of a series.

Music. the interval of two octaves.

Origin of fifteenth

before 900; Middle English fiftenthe (see fifteen, -th²); replacing Middle English fiftethe, Old English fīftēotha

On this coming March fifteenth we will be unpopular with more millions of taxpayers than ever before.

A Tip of the Fedora to Elmer Lincoln Irey, the Patron Saint of the IRS |John L. Smith |July 7, 2013 |DAILY BEAST
The most persistent story about the Garter was first recorded in the fifteenth century.

Disorder of the Garter |Tom Sykes |June 14, 2012 |DAILY BEAST
But in the fifteenth century God and Humanity were both hard of hearing.

The Story of Joan of Arc |M. M. Mangasarian
So these men of the fifteenth century had to teach themselves, in the first instance, the very elements of this knowledge.

Renaissance Fancies and Studies |Violet Paget (AKA Vernon Lee)

There are several interesting monuments including two altar tombs in the Burrell chantry with fine fifteenth century brasses.

Seaward Sussex |Edric Holmes
Story laid in Holland, near Dordrecht, about the fifteenth century.

Operas Every Child Should Know |Mary Schell Hoke Bacon
On the fifteenth Ercole's envoys, Saraceni and Bellingeri, appeared.

Lucretia Borgia |Ferdinand Gregorovius

fifteenth

/ (ˈfɪfˈtiːnθ) /

the fraction equal to one divided by 15 (1/15)

an interval of two octaves
one of two notes constituting such an interval in relation to the other, esp the one higher in pitch
an organ stop of diapason quality sounding a note two octaves higher than that normally produced by the key depressed; a two-foot stop