Thirteenth

·noun The next in order after the twelfth.

II. Thirteenth ·noun The interval comprising an octave and a sixth.

III. Thirteenth ·adj Constituting or being one of thirteen equal parts into which anything is divided.

IV. Thirteenth ·noun The quotient of a unit divided by thirteen; one of thirteen equal parts into which anything is divided.

V. Thirteenth ·adj Next in order after the twelfth; the third after the tenth;

— the ordinal of thirteen; as, the thirteenth day of the month.