- next after the sixty-third; being the ordinal number for 64.
- being one of 64 equal parts.
- a sixty-fourth part, especially of one (1/64).
- the sixty-fourth member of a series.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sixty-fourth
We know that the crawl goes at about a sixty-fourth of an inch per hour.Highways in Hiding
George Oliver Smith
He died on the 15th June, 1760, in the sixty-fourth year of his age.The Huguenots in France
I am glad you like Dick and the Marchioness in that sixty-fourth chapter.
Must I, in my sixty-fourth year, give away all that I have, and go out house-cleaning?The Quest
Frederik van Eeden
And finding myself in my sixty-fourth year, what could I do but put up with it?The Maid of Sker
Richard Doddridge Blackmore