Sixtieth

Definition:

(a.) Next in order after the fifty-ninth.
(a.) Constituting or being one one of sixty equal parts into which anything is divided.
(n.) The quotient of a unit divided by sixty; one of sixty equal parts forming a whole.
(n.) The next in order after the fifty-ninth; the tenth after the fiftieth.

Compare sixtieth with other words:

sixtieth vs. sixty