sixty-fourth

English

Numeral

sixty-fourth

1. (ordinal) The ordinal form of the number sixty-four, describing a person or thing in position number 64 of a sequence.

   The answer appears on the sixty-fourth page of the book.

   She finished sixty-fourth in the race.

Usage notes

English ordinal numbers may function as either an adjective or as a noun, and almost never appear in the plural.

Abbreviations

• 64th, 64^th

Noun

sixty-fourth (plural sixty-fourths)

1. (fractional) One of sixty-four equal parts of a whole.

   A sixty-fourth of 1280 is 20.