twenty-third

adjective

Definition of twenty-third

(Entry 1 of 2)

1 : being number 23 in a countable series the twenty-third day — see Table of Numbers

2 : being one of 23 equal parts into which something is divisible a twenty-third share of the money

twenty-third

noun

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Definition of twenty-third (Entry 2 of 2)

1 : number 23 in a countable series the twenty-third of the month

2 : the quotient of a unit divided by 23 : one of 23 equal parts of something one twenty-third of the total