The person or thing in the ninth position. / One of nine equal parts of a whole.

To lose a ninth. / To divide by nine.

The ordinal form of the number nine.

plural of ninth

simple past tense and past participle of ninth

present participle of ninth

(baseball) The second part of the ninth and final inning; the end of the game. / (idiomatic) By extension, any last chance or final opportunity.

(US, education) The period in school that comes after eighth grade and before tenth grade.

The person or thing in the twenty-ninth position. / Any of twenty-nine equal parts of a whole.

The ordinal form of the number twenty-nine.