THIRTEENTHS

Noun

thirteenths

plural of thirteenth

Source: Wiktionary

THIRTEENTH

Thir"teenth`, a. Etym: [From Thirteen: cf. AS. .]

1. Next in order after the twelfth; the third after the tenth; -- the ordinal of thirteen; as, the thirteenth day of the month.

2. Constituting or being one of thirteen equal parts into which anything is divided.

Thir"teenth`, n.

1. The quotient of a unit divided by thirteen; one of thirteen equal parts into which anything is divided.

2. The next in order after the twelfth.

3. (Mus.)

Definition: The interval comprising an octave and a sixth.

Source: Webster’s Unabridged Dictionary 1913 Edition