twenty-ninth

adjective

Definition of twenty-ninth

 (Entry 1 of 2)

1 : being number 29 in a countable series the twenty-ninth day — see Table of Numbers
2 : being one of 29 equal parts into which something is divisible a twenty-ninth share of the money

twenty-ninth

noun
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Definition of twenty-ninth (Entry 2 of 2)

1 : number 29 in a countable series the twenty-ninth of the month
2 : the quotient of a unit divided by 29 : one of 29 equal parts of something one twenty-ninth of the total