Twen"ti*eth , n.
1. The next
in order after the nineteen; one coming after nineteen others.
2.
The quotient of a unit divided by twenty; one of twenty equal parts of one whole.
Twen"ti*eth (?), a. [From Twenty; cf. AS. twentigo&?;a. See Twenty.]
1. Next in
order after the nineteenth; tenth after the tenth; coming after nineteen others; -- the ordinal of twenty.
2.
Consisting, or being, one of twenty
equal parts into which anything is divided.