sixty-fourth

adjective

Definition of sixty-fourth

 (Entry 1 of 2)

1 : being number 64 in a countable series the sixty-fourth day — see Table of Numbers
2 : being one of 64 equal parts into which something is divisible a sixty-fourth share of the money

sixty-fourth

noun
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Definition of sixty-fourth (Entry 2 of 2)

1 : number 64 in a countable series
2 : the quotient of a unit divided by 64 : one of 64 equal parts of something one sixty-fourth of the total