Thir"teenth` (?), a. [From Thirteen: cf. AS. reoteoa.]

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.

 

© Webster 1913.


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.

The interval comprising an octave and a sixth.

 

© Webster 1913.

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